优化练习题

data/2.MySQL中阶/11.用户和权限/1.创建普通用户/create_user_desc.json

@@ -3,5 +3,5 @@
   "author": "zxm2015",
   "source": "create_user_desc.md",
   "notebook_enable": false,
-  "exercise_id": ""
+  "exercise_id": "71ff84875921400a885e1de726f89065"
 }
\ No newline at end of file

data/2.MySQL中阶/6.连接查询/1.INNER JOIN/inner_join_desc.json

@@ -4,4 +4,4 @@
   "source": "inner_join_desc.md",
   "notebook_enable": false,
   "exercise_id": ""
-  }
+}
\ No newline at end of file

data/3.MySQL高阶/3.过程化编程/5. 游标/cursor_desc.json

@@ -3,5 +3,5 @@
   "author": "zxm2015",
   "source": "cursor_desc.md",
   "notebook_enable": false,
-    "exercise_id": ""
-  }
+  "exercise_id": "ddf96f36e6b44bf8a9eb928241a61dfd"
+}
\ No newline at end of file