convert

data/2.MySQL中阶/3.内置函数/5.其它函数/config.json

@@ -2,11 +2,13 @@
   "node_id": "mysql-df29b082d5364530b95bbdc14adc107e",
   "keywords": [
     "函数",
-    "cast"
+    "cast",
+    "convert"
   ],
   "children": [],
   "export": [
-    "cast.json"
+    "cast.json",
+    "convert.json"
   ],
   "keywords_must": [],
   "keywords_forbid": [],

data/2.MySQL中阶/3.内置函数/5.其它函数/convert.json

+{
+  "type": "code_options",
+  "author": "ccat",
+  "source": "convert.md",
+  "notebook_enable": false,
+  "exercise_id": "a152ea2ab0c5410fa2d2b808afd063ae"
+}
\ No newline at end of file

data/2.MySQL中阶/3.内置函数/5.其它函数/convert.md

+# 编码转换
+
+Joe 需要将下面这个查询
+
+```mysql
+select name from goods;
+```
+
+中的 name 字段的字符集改为 gb 18030，他应该怎么做？
+
+##  答案
+
+```mysql
+select convert(name using 'gb18030') from goods;
+```
+
+## 选项
+
+
+### A
+
+```mysql
+select str(name, 'gb18303') from goods;
+```
+
+
+### B
+
+```mysql
+select encode(decode(name, 'utf8mb4'), 'gb18303') from goods;
+```
+
+
+### C
+
+```mysql
+select convert(name from 'utf8mb4' to 'gb18303') from goods;
+```
+
+### D
+
+```mysql
+select convert(name to 'gb18303') from goods;
+```
+
+### E
+
+所有都错
\ No newline at end of file

data/tree.json

@@ -958,7 +958,8 @@
                       "node_id": "mysql-df29b082d5364530b95bbdc14adc107e",
                       "keywords": [
                         "函数",
-                        "cast"
+                        "cast",
+                        "convert"
                       ],
                       "children": [],
                       "keywords_must": [],