dump and restore

data/2.MySQL中阶/8.备份与恢复/1.mysqldump/config.json

-{
-  "node_id": "mysql-c9a8e4223b6c47efb08e2015f7570317",
-  "keywords": [],
-  "children": [],
-  "export": [],
-  "keywords_must": [],
-  "keywords_forbid": [],
-  "group": 0
-}
\ No newline at end of file

data/2.MySQL中阶/8.备份与恢复/1.数据导入和导出/binlog.json

+{
+  "type": "code_options",
+  "author": "Mars",
+  "source": "dump.md",
+  "notebook_enable": false,
+  "exercise_id": "4f3e0c57d21f41e59d312870ae7df3b3"
+}
\ No newline at end of file

data/2.MySQL中阶/8.备份与恢复/2.数据导入和导出/config.json → data/2.MySQL中阶/8.备份与恢复/1.数据导入和导出/config.json

@@ -2,7 +2,9 @@
   "node_id": "mysql-e2eefb85984643f8adb95f4eee16bc8f",
   "keywords": [],
   "children": [],
-  "export": [],
+  "export": [
+    "dump.json"
+  ],
   "keywords_must": [],
   "keywords_forbid": [],
   "group": 0

data/2.MySQL中阶/8.备份与恢复/1.数据导入和导出/dump.json

+{
+  "type": "code_options",
+  "author": null,
+  "source": "dump.md",
+  "notebook_enable": false,
+  "exercise_id": "d581e2fe632b4737b6da553bd6455ed7"
+}
\ No newline at end of file

data/2.MySQL中阶/8.备份与恢复/1.数据导入和导出/dump.md

+# 备份和恢复
+
+关于MySQL的备份和恢复，正确的是：
+
+1. mysqldump 导出的数据，可以通过管道直接重定向到文件。
+2. mysqldump 导出的文件，可以通过 mysql 命令行导入
+3. 可以只导出数据库结构
+4. 可以只导出数据
+5. 可以通过第三方导入导出工具进行多线程并发的备份或恢复
+6. 可以只导出指定的数据库
+7. 可以只导出指定的表
+
+## 答案
+
+全部都对
+
+
+## 选项
+
+### A
+
+全都错误
+
+### B
+
+```
+1, 2, 3, 4, 6, 7
+```
+
+### C
+
+```
+1, 2, 4, 5
+```
+
+### D
+
+```
+1, 2, 3, 4
+```
\ No newline at end of file

data/tree.json

@@ -1305,16 +1305,6 @@
                 "node_id": "mysql-9f5d58c9e09b4ec79f8e7fc8c4e776a0",
                 "keywords": [],
                 "children": [
-                  {
-                    "mysqldump": {
-                      "node_id": "mysql-c9a8e4223b6c47efb08e2015f7570317",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
                   {
                     "数据导入和导出": {
                       "node_id": "mysql-e2eefb85984643f8adb95f4eee16bc8f",