grant.md

# 授权

管理员要给用户 joe 授权，允许他查询 emplyee 表，应用哪一条语句？

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* `show databases;` 列出所有数据库
* `show tables;` 列出所有表

## 答案

```sql
grant select on table employee to joe;
```

## 选项

### 权限名错误

```sql
grant query on table employee to joe;
```

### 权限名错误

```sql
grant read on table employee to joe;
```

### 操作关键词错误

```sql
grant select on table employee of joe;
```

### 操作错误

```sql
grant select on table employee.* of joe;
```

### 权限过高

```sql
grant all on table employee to joe;
```