表格名字为employee,改表中属性为hiredate这一列数据为2019-1-1
时间: 2023-12-03 07:42:18 浏览: 139
假设你使用的是MySQL数据库,可以使用如下的SQL语句来更新employee表中的hiredate属性为2019-1-1:
```
UPDATE employee SET hiredate = '2019-01-01';
```
这条语句会将employee表中所有记录的hiredate属性都设置为2019-1-1。如果你只想更新某些符合条件的记录,可以添加WHERE子句来限制更新的范围,例如:
```
UPDATE employee SET hiredate = '2019-01-01' WHERE department = 'IT';
```
这条语句会将department为IT的员工的hiredate属性都设置为2019-1-1。
阅读全文
相关推荐

















