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划分一列以获得MySQL查询中员工的月薪？

2024-04-25 23:49:06 494

让我们首先创建一个表-

mysql> create table DemoTable1957
   (
   EmployeeId int,
   EmployeeName varchar(20),
   EmployeeSalary int
   );

使用插入命令在表中插入一些记录-

mysql> insert into DemoTable1957 values(1,'Chris',240000);
mysql> insert into DemoTable1957 values(2,'Bob',120000);
mysql> insert into DemoTable1957 values(3,'David',180000);
mysql> insert into DemoTable1957 values(4,'Mike',650000);

使用select语句显示表中的所有记录-

mysql> select * from DemoTable1957;

这将产生以下输出-

+------------+--------------+----------------+
| EmployeeId | EmployeeName | EmployeeSalary |
+------------+--------------+----------------+
|          1 | Chris        |         240000 |
|          2 | Bob          |         120000 |
|          3 | David        |         180000 |
|          4 | Mike         |         650000 |
+------------+--------------+----------------+
4 rows in set (0.00 sec)

这是获取员工月薪的查询：

mysql> select EmployeeName,EmployeeSalary/12 As MonthlySalary from DemoTable1957;

这将产生以下输出-

+--------------+---------------+
| EmployeeName | MonthlySalary |
+--------------+---------------+
| Chris        |    20000.0000 |
| Bob          |    10000.0000 |
| David        |    15000.0000 |
| Mike         |    54166.6667 |
+--------------+---------------+
4 rows in set (0.00 sec)

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划分一列以获得MySQL查询中员工的月薪？

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