fly on exercises

data/1.PostgreSQL初阶/2.PostgreSQL的安装/1.安装PostgreSQL/install.json

+{
+  "type": "code_options",
+  "author": "刘鑫",
+  "source": "install.md",
+  "notebook_enable": false,
+  "exercise_id": "ca4669e5d66944df830390aec841cc7b"
+}
\ No newline at end of file

data/2.PostgreSQL中阶/2.服务端编程/4.分页查询/paged.json

@@ -2,5 +2,6 @@
   "type": "code_options",
   "author": "刘鑫",
   "source": "paged.md",
-  "notebook_enable": false
+  "notebook_enable": false,
+  "exercise_id": "c92fab72b5c24e76b1032ca7a0c64c44"
 }
\ No newline at end of file

data/3.PostgreSQL高阶/1.集群和复制/1.standby/backup.json

@@ -2,5 +2,6 @@
   "type": "code_options",
   "author": "刘鑫",
   "source": "backup.md",
-  "notebook_enable": false
+  "notebook_enable": false,
+  "exercise_id": "261517a14bca4cfd98ce23caf63c9cf5"
 }
\ No newline at end of file

data/3.PostgreSQL高阶/3.SQL高级技巧/1.递归查询/config.json

@@ -2,5 +2,5 @@
   "node_id": "pg-2e691ed3a847424eb887b40aca750c4e",
   "keywords": [],
   "children": [],
-  "export": ["continuous"]
+  "export": ["continuous.json"]
 }
\ No newline at end of file

data/3.PostgreSQL高阶/3.SQL高级技巧/1.递归查询/continuous.json

@@ -2,5 +2,6 @@
   "type": "code_options",
   "author": "刘鑫",
   "source": "continuous.md",
-  "notebook_enable": false
+  "notebook_enable": false,
+  "exercise_id": "bd4568ed83594d12b510c6c69bf611f2"
 }
\ No newline at end of file

data/tree.json

@@ -45,7 +45,11 @@
                   {
                     "登录PostgreSQL": {
                       "node_id": "pg-586916fe52e245efb399ae862378f87f",
-                      "keywords": [],
+                      "keywords": [
+                        "登录",
+                        "身份验证",
+                        "授权"
+                      ],
                       "children": []
                     }
                   },