数据库准备工作

.gitignore

@@ -8,3 +8,4 @@ __pycache__
 bin/
 debug/
 release/
+book/
\ No newline at end of file

data/1.MySQL初阶/1.关系型数据库/1.数据库基本概念/config.json

@@ -2,7 +2,9 @@
   "node_id": "mysql-8e971f3c569a4e56bb83b5d75a2a425f",
   "keywords": [],
   "children": [],
-  "export": [],
+  "export": [
+    "relation.json"
+  ],
   "keywords_must": [],
   "keywords_forbid": [],
   "group": 0

data/1.MySQL初阶/2.安装和登录/2.安装/config.json → data/1.MySQL初阶/2.安装和登录/1.安装/config.json

@@ -2,11 +2,11 @@
   "node_id": "mysql-95d0b7e5493e478f85ca49a77a13d194",
   "keywords": [
     "安装",
-    "PostgreSQL"
+    "MySQL"
   ],
   "children": [],
   "export": [
-    "install.json"
+    "develop.json"
   ],
   "keywords_must": [
     "安装"

data/1.MySQL初阶/2.安装和登录/2.安装/install.json → data/1.MySQL初阶/2.安装和登录/1.安装/develop.json

 {
   "type": "code_options",
   "author": "ccat",
-  "source": "install.md",
+  "source": "develop.md",
   "notebook_enable": false,
   "exercise_id": "8853d1b52947421a9ffb84007126825e"
 }
\ No newline at end of file

data/1.MySQL初阶/2.安装和登录/1.安装/develop.md

+# 开发机安装
+
+Joe 刚刚入职 EMP 公司，现在他需要在新领到的开发机上安装 MySQL 或 MariaDB（MySQL 的分支） ，下列说法不正确的是：
+
+## 答案
+
+MySQL 需要超级用户 root，windows 的超级用户为 administrator ，所以 windows 上无法安装 MySQL。
+
+## 选项
+
+### Mac
+
+在 Mac 上可以用 Homebrew 安装。
+
+### FreeBSD
+
+在 FreeBSD 上，可以用 ports 安装。
+
+### Windows
+
+在 windows 上，可以下载安装包进行安装。
+
+### CentOS
+
+在 CentOS 上可以通过
+
+```shell
+yum install mariadb-server
+```
+
+安装。
+
+### Debian
+
+Debian 或 ubuntu 环境可以通过
+
+```shell
+apt install mariadb-server
+```
+
+安装。
+
+

data/1.MySQL初阶/2.安装和登录/2.安装/install.md

-# 安装
-
-下列内容，不正确的是哪一项？
-
-## 答案
-
-安装过程需要 root 权限，也应该将 root 设置为超级用户。
-
-## 选项
-
-### A
-
-在 Linux 上，可以用发行版自带的软件安装服务安装，用 systemctl 管理。
-
-### B
-
-在 FreeBSD 上，可以用 ports 安装。
-
-### C
-
-在 windows 上，可以下载安装包进行安装。
-
-### D
-
-PostgreSQL 默认的超级用户名为 postgres 。
-
-### E
-
-修改 postgres.conf 配置文件，可以修改 PG 的监听地址和端口。
-

data/1.MySQL初阶/2.安装和登录/3.登录/config.json → data/1.MySQL初阶/2.安装和登录/2.登录/config.json

@@ -7,8 +7,8 @@
   ],
   "children": [],
   "export": [
-    "login.json",
-    "rds.json"
+    "prepare.json",
+    "login.json"
   ],
   "keywords_must": [
     "登录"

data/1.MySQL初阶/2.安装和登录/3.登录/rds.json → data/1.MySQL初阶/2.安装和登录/2.登录/login.json

 {
   "type": "code_options",
   "author": "ccat",
-  "source": "rds.md",
+  "source": "login.md",
   "notebook_enable": false,
-  "exercise_id": "7fe3fb9342234107a16bc059a44fbed7"
+  "exercise_id": "a6af57c960df49c1befabac14fb552bf"
 }
\ No newline at end of file

data/1.MySQL初阶/2.安装和登录/2.登录/login.md

+# 登录
+
+Joe 在自己的电脑上创建了 'joe'@'localhost' 账户，那么关于他使用 joe 账户登录本机mysql数据库，以下说法错误的是：
+
+## 答案
+
+如果 Joe 的开发机上已经部署了ssh服务，那么他可以在局域网的内的任何计算机上使用 
+
+```shell
+mysql -h Joe的开发机地址 -ujoe -p mysql 
+```
+
+登录。
+
+## 选项
+
+### A
+
+Joe 可以在自己的开发机上使用以下命令登录：
+
+```shell
+mysql -ujoe -p -h localhost mysql 
+```
+
+### B
+
+如果 Joe 的开发机上已经部署了ssh服务，那么他可以在局域网内的其它计算机
+ssh 到自己的开发机，然后使用以下命令登录：
+
+```shell
+mysql -ujoe -p -h localhost mysql 
+```
+
+### C
+
+Joe 可以为自己的账户设定口令的有效期。
+
+### D
+
+Joe 可以为 joe 账户从其它网络地址登录的会话设置不同的口令和权限。
+
+

data/1.MySQL初阶/2.安装和登录/3.登录/login.json → data/1.MySQL初阶/2.安装和登录/2.登录/prepare.json

 {
   "type": "code_options",
   "author": "ccat",
-  "source": "login.md",
+  "source": "prepare.md",
   "notebook_enable": false,
   "exercise_id": "e3f7a8400c0047009cc089d15fc14795"
 }
\ No newline at end of file

data/1.MySQL初阶/2.安装和登录/2.登录/prepare.md

+# 初始化账户
+
+Joe 已经在自己的开发机安装好 MySQL，他现在有一个系统用户 joe，该用户有 sudo 权限。
+
+现在他想要建立一个名为 joe 的开发用户，并且：
+ - 这个用户*只能*在本机登录
+ - 使用简单的口令 `joe`
+ - 要有足够高的权限，用于接下来的开发工作
+
+那么，Joe 应该采用下列哪个方案
+
+##  答案
+
+以 root 登录到本机的 mysql 库
+```shell
+sudo su
+mysql mysql
+```
+创建数据库用户 joe 并授权：
+```mysql
+create user 'joe'@'localhost' identified by 'joe';
+grant all privileges on *.* to `joe`@`localhost`;
+flush privileges ;
+```
+
+## 选项
+
+
+### A
+
+以 joe 用户名登录数据库
+```shell
+mysql mysql
+```
+为 joe 授权
+```mysql
+grant all privileges on *.* to joe;
+flush privileges ;
+```
+
+### B
+
+以 root 用户登录数据库
+```shell
+sudo su
+mysql mysql
+```
+
+为 joe 授权
+```mysql
+grant all privileges on *.* to joe;
+flush privileges ;
+```
+
+### C
+
+以 joe 用户登录数据库
+```shell
+mysql mysql
+```
+
+创建数据库用户 joe
+```mysql
+create user 'joe'@'localhost' identified by 'joe';
+flush privileges ;
+```
+
+### D
+
+以 root 登录到本机的 mysql 库
+```shell
+sudo su
+mysql mysql
+```
+创建数据库用户 joe 并授权：
+```mysql
+create user 'joe'@'%' identified by 'joe';
+grant all privileges on *.* to joe;
+flush privileges ;
+```

data/1.MySQL初阶/2.安装和登录/3.登录/login.md

-# 登录
-
-你的团队有一个公用的开发服务器，你要安装一个 PostgreSQL 服务公用，你们希望每位同事
-使用一个独立的开发数据库，不互相混淆。同时这个服务器不向其他部门开放。数据也希望有足
-够的安全保障。你的同事们都有这台开发服务器的 ssh 账号，平时远程登录到服务器上工作。
-下面哪个组合最符合你们的需求？
-
-1. 为每位同事建立一个数据库账号
-2. 初始化口令为123456，告知他们登录后修改密码。
-3. 为每位同事建立对应的开发数据库，将他们的用户设置为该数据库的 owner
-4. 将每位同事的用户身份都设置为superuser，并禁止他们登录别人的数据库
-5. 为每位同事建立一个与操作系统账号同名的数据库账号
-6. 修改 pg_hba.conf ，设置本地用户可以用操作系统集成登录
-7. 设置 postgres 账号口令为 123456，群发告知同事
-
-##  答案
-
-```
-5, 3, 6
-```
-
-## 选项
-
-
-### A
-
-```
-1, 2, 4
-```
-
-### B
-
-```
-1, 2, 4, 6
-```
-
-### C
-
-```
-5, 2, 4
-```
-
-### D
-
-```
-5, 2, 4, 6
-```
-
-
-### E
-
-```
-7, 6
-```
-
-### F
-
-```
-2, 3, 4, 5, 6, 7
-```
\ No newline at end of file

data/1.MySQL初阶/2.安装和登录/3.登录/rds.md

-# RDS 管理
-
-RShop 公司在云服务商处购买了一个 PostgreSQL RDS 服务，作为 DBA ，你会采取哪些措施来管理它？
-
-1. 将云服务商提供的用户名口令交付开发团队
-2. 要求开发团队交付数据库部署脚本
-3. 部署并初始化数据库结构
-4. 建立应用用户，采用口令登录，仅赋予数据查询和 DML 权限
-5. 将应用用户的连接方式写入配置中心，供应用系统访问
-6. 待开发团队初始化数据库后，修改用户名口令
-7. 修改用户名口令后，将系统用户和口令保存在可信的存储中
-
-## 答案
-
-```
-2, 3, 4, 5, 7
-```
-
-## 选项
-
-### A
-
-```
-1, 3, 6, 4, 5, 7
-```
-
-### B
-
-```
-1, 3
-```
-
-### C
-
-```
-2, 4, 6
-```
-
-### D
-
-```
-1, 3, 5, 7
-```
\ No newline at end of file

data/1.MySQL初阶/3.使用数据库/1. 创建和删除数据库/config.json

@@ -2,7 +2,9 @@
   "node_id": "mysql-764d5080ddb943fe9236922984afa152",
   "keywords": [],
   "children": [],
-  "export": [],
+  "export": [
+    "create_database.json"
+  ],
   "keywords_must": [],
   "keywords_forbid": [],
   "group": 0

data/1.MySQL初阶/3.使用数据库/1. 创建和删除数据库/create_database.json

+{
+  "type": "code_options",
+  "author": "ccat",
+  "source": "create_database.md",
+  "notebook_enable": false,
+  "exercise_id": "7176bf0c002f47c1b3c6b9fa74bb827d"
+}
\ No newline at end of file

data/1.MySQL初阶/3.使用数据库/1. 创建和删除数据库/create_database.md

+# 创建和删除数据库
+
+Joe 在开发机上创建了一个名为 goods 的数据库，做了一些练习，现在他需要删除这个数据库，重建一个 goods。那么他需要的步骤是：
+
+## 答案
+
+```mysql
+drop database goods;
+create database goods;
+```
+
+## 选项
+
+### A
+
+```mysql
+delete database goods;
+create database goods;
+```
+
+### B
+
+```mysql
+if exists(database goods) then
+begin 
+    drop database goods;
+end;
+create database goods;
+```
+
+### C
+
+```mysql
+use goods;
+drop database goods;
+create database goods;
+```
+
+### D
+
+```mysql
+use goods;
+drop database goods;
+make database goods;
+```
+
+### E
+
+```mysql
+drop database goods;
+make database goods;
+```
+
+### F
+
+```mysql
+cd goods;
+drop database goods;
+create database goods;
+```
+
+

data/1.MySQL初阶/3.使用数据库/2.建表/config.json

-{
-  "node_id": "mysql-1557b617893243cc840aa512d312d3f1",
-  "keywords": [],
-  "children": [],
-  "export": [],
-  "keywords_must": [],
-  "keywords_forbid": [],
-  "group": 0
-}
\ No newline at end of file

data/1.MySQL初阶/3.使用数据库/2.建表/node.txt

-第八章
\ No newline at end of file

data/1.MySQL初阶/3.使用数据库/2.表/auto_increment.json

+{
+  "type": "code_options",
+  "author": "ccat",
+  "source": "auto_increment.md",
+  "notebook_enable": false,
+  "exercise_id": "c4ad7801c75146668da3b21f9de0011c"
+}
\ No newline at end of file

data/1.MySQL初阶/3.使用数据库/2.表/auto_increment.md

+# 自增字段
+
+Joe 需要重建一个 id 为自增字段的 goods_category 。他已经删除了旧表，那么接下来应该：
+
+## 答案
+
+```mysql
+CREATE TABLE goods_category
+(
+    id         INT(11) PRIMARY KEY AUTO_INCREMENT,
+    category VARCHAR(30),
+    remark   VARCHAR(100)
+) ENGINE INNODB;
+```
+
+## 选项
+
+### A
+
+```mysql
+CREATE TABLE goods_category
+(
+    id         INT(11) PRIMARY KEY SERIALS,
+    category VARCHAR(30),
+    remark   VARCHAR(100)
+) ENGINE INNODB;
+```
+
+### B
+
+```mysql
+CREATE TABLE goods_category
+(
+    id         INT(11) ,
+    category VARCHAR(30),
+    remark   VARCHAR(100),
+    PRIMARY KEY ID AUTO_INCREMENT
+) ENGINE INNODB;
+```
+
+
+### C
+
+```mysql
+CREATE TABLE goods_category
+(
+    id         INT(11) PRIMARY KEY,
+    category VARCHAR(30),
+    remark   VARCHAR(100)
+) ENGINE INNODB;
+```
+
+### D
+
+```mysql
+CREATE TABLE goods_category
+(
+    id         INT(11) PRIMARY KEY SERIALS,
+    category VARCHAR(30),
+    remark   VARCHAR(100)
+) ENGINE INNODB;
+```

data/1.MySQL初阶/3.使用数据库/4.表/config.json → data/1.MySQL初阶/3.使用数据库/2.表/config.json

@@ -2,7 +2,10 @@
   "node_id": "mysql-426b0b1e04a4462e984ee77ca536f916",
   "keywords": [],
   "children": [],
-  "export": [],
+  "export": [
+    "create_table.json",
+    "auto_increment.json"
+  ],
   "keywords_must": [],
   "keywords_forbid": [],
   "group": 0

data/1.MySQL初阶/3.使用数据库/2.表/create_table.json

+{
+  "type": "code_options",
+  "author": "ccat",
+  "source": "create_table.md",
+  "notebook_enable": false,
+  "exercise_id": "282cc79ab5b34562a3cdc6d6d1453332"
+}
\ No newline at end of file

data/1.MySQL初阶/3.使用数据库/2.表/create_table.md

+# 创建表
+
+Joe 想要在 goods 数据库创建一个 goods_category 表，管理商品的类别，那么正确的建表语句应该是：
+
+## 答案
+
+```mysql
+CREATE TABLE goods_category
+(
+    id         INT(11) PRIMARY KEY ,
+    category VARCHAR(30),
+    remark   VARCHAR(100)
+);
+```
+
+## 选项
+
+### A
+
+```mysql
+MAKE TABLE goods_category
+(
+    id         INT(11) PRIMARY KEY ,
+    category VARCHAR(30),
+    remark   VARCHAR(100)
+);
+```
+
+### B
+
+```mysql
+DROP TABLE goods_category
+(
+    id         INT(11) PRIMARY KEY,
+    category VARCHAR(30),
+    remark   VARCHAR(100)
+);
+```
+
+### C
+
+```mysql
+SAVE TABLE goods_category
+(
+    id         INT(11) PRIMARY KEY,
+    category VARCHAR(30),
+    remark   VARCHAR(100)
+);
+```
+
+### D
+
+```mysql
+ADD TABLE goods_category
+(
+    id         INT(11) PRIMARY KEY,
+    category VARCHAR(30),
+    remark   VARCHAR(100)
+);
+```
+
+### E
+
+```mysql
+PUT TABLE goods_category
+(
+    id         INT(11) PRIMARY KEY,
+    category VARCHAR(30),
+    remark   VARCHAR(100)
+);
+```

data/1.MySQL初阶/2.安装和登录/1.数据库编码/config.json → data/1.MySQL初阶/3.使用数据库/3.数据库编码/config.json

@@ -2,7 +2,9 @@
   "node_id": "mysql-401a4084d56c4123afa3ced3aa0e5e98",
   "keywords": [],
   "children": [],
-  "export": [],
+  "export": [
+    "encode.json"
+  ],
   "keywords_must": [],
   "keywords_forbid": [],
   "group": 0

data/1.MySQL初阶/3.使用数据库/3.数据库编码/encode.json

+{
+  "type": "code_options",
+  "author": "ccat",
+  "source": "encode.md",
+  "notebook_enable": false,
+  "exercise_id": "041eebb89fcb479e8ebb617d01c38234"
+}
\ No newline at end of file

data/1.MySQL初阶/3.使用数据库/3.数据库编码/encode.md

+# 数据库编码
+
+Joe 希望 goods 数据库可以处理各种不同语言文字的内容，因此他要确定 goods 数据库的编码，确保其为 ut8，下面哪些步骤是他需要做的？
+
+（这里我们假设Joe第一次查看编码时，发现 goods 现在的编码为 latin1 ）。
+
+ 1. 执行  `SHOW CREATE DATABASE goods;` 查看 goods 的编码
+ 2. 备份数据库
+ 3. 取消默认编码 `ALTER DATABASE goods CHARACTER UNSET;`
+ 4. 执行 `ALTER DATABASE goods CHARACTER SET utf8;` 设定编码
+ 5. 删除 goods 数据库 `DROP DATABASE goods`
+ 6. 用 utf8 编码重建 goods 数据库 `CREATE DATABASE goods DEFAULT CHARACTER SET utf8`
+ 7. 删除默认编码 `ALTER DATABASE goods DROP CHARACTER`
+ 8. 再次执行 `SHOW CREATE DATABASE goods;` 查看 goods 的编码
+ 9. 导入数据
+
+## 答案
+
+```
+1, 4, 8
+```
+
+## 选项
+
+### A
+
+```
+1, 2, 5, 6, 3 9
+```
+
+### B
+
+```
+1, 2, 3, 4, 5, 6, 7
+```
+
+### C
+
+```
+1, 2, 3, 4, 5, 6, 7
+```
+
+### D
+
+```
+7, 8 5, 4, 2
+```
+
+### E
+
+```
+1, 3, 2, 4, 9
+```
+ 
\ No newline at end of file

data/1.MySQL初阶/3.使用数据库/3.存储引擎/config.json → data/1.MySQL初阶/3.使用数据库/4.存储引擎/config.json

@@ -2,7 +2,9 @@
   "node_id": "mysql-cd45ce715f914ef2895df639a5d206a3",
   "keywords": [],
   "children": [],
-  "export": [],
+  "export": [
+    "engine.json"
+  ],
   "keywords_must": [],
   "keywords_forbid": [],
   "group": 0

data/1.MySQL初阶/3.使用数据库/4.存储引擎/engine.json

+{
+  "type": "code_options",
+  "author": "ccat",
+  "source": "engine.md",
+  "notebook_enable": false,
+  "exercise_id": "39244600680e40848e6ab8af71f22cf1"
+}
\ No newline at end of file

data/1.MySQL初阶/3.使用数据库/4.存储引擎/engine.md

+# 存储引擎
+
+Joe 需要确保 goods_category 表的存储引擎为 innodb ，那么建表语句应该是：
+
+## 答案
+
+```mysql
+CREATE TABLE goods_category
+(
+    id         INT(11),
+    category VARCHAR(30),
+    remark   VARCHAR(100)
+) ENGINE=INNODB;
+```
+
+## 选项
+
+### A
+
+```mysql
+CREATE TABLE goods_category
+(
+    id         INT(11),
+    category VARCHAR(30),
+    remark   VARCHAR(100)
+) as INNODB;
+```
+
+### B
+
+```mysql
+WITH ENGINE=INNODB CREATE TABLE goods_category
+(
+    id         INT(11),
+    category VARCHAR(30),
+    remark   VARCHAR(100)
+);
+```
+
+### C
+
+```mysql
+SAVE TABLE goods_category
+(
+    id         INT(11),
+    category VARCHAR(30),
+    remark   VARCHAR(100)
+) AS INNODB;
+```
+
+### D
+
+```mysql
+CREATE TABLE goods_category
+(
+    id         INT(11),
+    category VARCHAR(30),
+    remark   VARCHAR(100)
+) INNODB;
+```
+

data/tree.json

@@ -24,8 +24,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -34,8 +33,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
@@ -45,8 +43,7 @@
                   "relational",
                   "rdbms"
                 ],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
               }
             },
             {
@@ -54,29 +51,18 @@
                 "node_id": "mysql-c6fb4b9d5c13492289fd14d06911c1e5",
                 "keywords": [],
                 "children": [
-                  {
-                    "数据库编码": {
-                      "node_id": "mysql-401a4084d56c4123afa3ced3aa0e5e98",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
                   {
                     "安装": {
                       "node_id": "mysql-95d0b7e5493e478f85ca49a77a13d194",
                       "keywords": [
                         "安装",
-                        "PostgreSQL"
+                        "MySQL"
                       ],
                       "children": [],
                       "keywords_must": [
                         "安装"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -91,14 +77,12 @@
                       "keywords_must": [
                         "登录"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
               }
             },
             {
@@ -112,44 +96,39 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "建表": {
-                      "node_id": "mysql-1557b617893243cc840aa512d312d3f1",
+                    "表": {
+                      "node_id": "mysql-426b0b1e04a4462e984ee77ca536f916",
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "存储引擎": {
-                      "node_id": "mysql-cd45ce715f914ef2895df639a5d206a3",
+                    "数据库编码": {
+                      "node_id": "mysql-401a4084d56c4123afa3ced3aa0e5e98",
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "表": {
-                      "node_id": "mysql-426b0b1e04a4462e984ee77ca536f916",
+                    "存储引擎": {
+                      "node_id": "mysql-cd45ce715f914ef2895df639a5d206a3",
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
               }
             },
             {
@@ -163,8 +142,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -173,8 +151,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -183,8 +160,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -193,14 +169,12 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
               }
             },
             {
@@ -214,8 +188,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -224,8 +197,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -234,14 +206,12 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
               }
             },
             {
@@ -255,8 +225,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -265,8 +234,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -275,8 +243,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -285,14 +252,12 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
               }
             },
             {
@@ -309,8 +274,7 @@
                       ],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -319,8 +283,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -329,8 +292,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -339,8 +301,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -349,8 +310,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -359,8 +319,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -369,8 +328,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -379,8 +337,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -389,20 +346,17 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
               }
             }
           ],
           "keywords_must": [],
-          "keywords_forbid": [],
-          "group": 0
+          "keywords_forbid": []
         }
       },
       {
@@ -437,8 +391,7 @@
                         "权限",
                         "privilege"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -453,8 +406,7 @@
                         "表",
                         "table"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -465,8 +417,7 @@
                       ],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -481,8 +432,7 @@
                         "函数",
                         "function"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -501,8 +451,7 @@
                         "constraints",
                         "index"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -511,8 +460,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -527,8 +475,7 @@
                         "trigger",
                         "触发器"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -537,14 +484,12 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
               }
             },
             {
@@ -558,8 +503,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -568,8 +512,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -578,8 +521,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -590,8 +532,7 @@
                       ],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -600,8 +541,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -610,8 +550,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -623,8 +562,7 @@
                       ],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -641,14 +579,12 @@
                         "limit",
                         "offset"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
               }
             },
             {
@@ -665,8 +601,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -675,8 +610,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -685,8 +619,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -695,8 +628,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -705,8 +637,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -715,8 +646,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -725,8 +655,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
@@ -735,8 +664,7 @@
                   "分组",
                   "聚合"
                 ],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
               }
             },
             {
@@ -753,8 +681,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -763,8 +690,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -773,8 +699,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -783,8 +708,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -793,8 +717,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
@@ -802,8 +725,7 @@
                   "join",
                   "连接查询"
                 ],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
               }
             },
             {
@@ -817,8 +739,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -827,8 +748,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -837,14 +757,12 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
               }
             },
             {
@@ -861,8 +779,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -871,8 +788,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -881,8 +797,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -891,8 +806,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -901,8 +815,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -911,8 +824,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -924,8 +836,7 @@
                       ],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
@@ -933,8 +844,7 @@
                   "子查询",
                   "subquery"
                 ],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
               }
             },
             {
@@ -948,8 +858,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -960,8 +869,7 @@
                       ],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -970,8 +878,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -980,8 +887,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -993,8 +899,7 @@
                       ],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -1003,14 +908,12 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
               }
             },
             {
@@ -1024,8 +927,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -1034,8 +936,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
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                   },
                   {
@@ -1044,8 +945,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
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                   },
                   {
@@ -1054,8 +954,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -1064,8 +963,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
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                   {
@@ -1074,8 +972,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
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+                      "keywords_forbid": []
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                   {
@@ -1084,14 +981,12 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
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+                "keywords_forbid": []
               }
             },
             {
@@ -1105,8 +1000,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
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                   },
                   {
@@ -1115,8 +1009,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
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                   },
                   {
@@ -1125,14 +1018,12 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
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                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
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             },
             {
@@ -1146,8 +1037,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
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                   },
                   {
@@ -1156,8 +1046,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -1166,8 +1055,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -1178,14 +1066,12 @@
                       ],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 0
+                "keywords_forbid": []
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             },
             {
@@ -1199,8 +1085,7 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
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                   },
                   {
@@ -1211,8 +1096,7 @@
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           ],
           "keywords_must": [],
-          "keywords_forbid": [],
-          "group": 0
+          "keywords_forbid": []
         }
       }
     ],
     "keywords_must": [],
-    "keywords_forbid": [],
-    "group": 0
+    "keywords_forbid": []
   }
 }
\ No newline at end of file

gears/Dockerfiles

+FROM mariadb
+

gears/scripts/connect.sh

+#!/usr/bin/env bash
+
+# use password as
+docker run -it --network mysql-studio --rm mariadb mysql -hmariadb -ujoe -p
\ No newline at end of file

gears/scripts/init_docker.sh

+#!/usr/bin/env bash
+
+docker network create mysql-studio
+# use password joe
+docker run -it --network mysql-studio --rm mariadb mysql -hmariadb -ujoe -p

gears/sql/create_database.sql

+create database goods;
+
+grant all privileges on *.* to `joe`@`localhost`;
+
+flush privileges ;
\ No newline at end of file