一道sql面试题附答案

有1张表，

Wages 表
-------------------------------------------
Emp_id       | 基本工资| 工龄工资|
-------------------------------------------
1                | 1.00        | 1.00       |
-------------------------------------------
2                | 1.00        | 2.00       |
-------------------------------------------
3                | 1.00        | 3.00       |
-------------------------------------------
4                | 1.00        | 4.00       |
-------------------------------------------
.........

请从上表用 “一句组合查询” 查询出工资统计表，要求检索出的内容格式如下：

-----------------------------------------------------------------
Emp_id       | 基本工资| 工龄工资       | 合计       | 名次
------------------------------------------------------------------
1                | 1.00       | 1.00               |2.00         | x
------------------------------------------------------------------
2                | 1.00       | 2.00               |3.00         | y
------------------------------------------------------------------
3                | 1.00       | 3.00               |4.00         | ..
------------------------------------------------------------------
4                | 1.00       | 4.00               |5.00       | ..
------------------------------------------------------------------

回答：

代码如下:

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