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？

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##  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