学习DB2数据库必须掌握的五十四条常用语句

核心提示： select a.emp_no,a.emp_name,a.date_hiredfrom employee ajoin employee bon (a.emp_no!=b.emp_no and a.date_hired=b.date_hired)order by a.date_hired35

select a.emp_no,a.emp_name,a.date_hired

from employee a

join employee b

on (a.emp_no!=b.emp_no and a.date_hired=b.date_hired)

order by a.date_hired

35、找出目前业绩超过232000元的员工编号和姓名

select emp_no,emp_name

from employee

where emp_no in

(select sale_id

from sales

group by sale_id

having sum(tot_amt)<232000)

36、查询出employee表中所有女职工的平均工资和住址在"上海市"的所有女职工的平均工资

select avg(salary)

from employee

where sex like 'f'

union

select avg(salary)

from employee

where sex like 'f' and addr like '上海市%'

37、在employee表中查询薪水超过员工平均薪水的员工信息

Select *

from employee

where salary>( select avg(salary)

from employee)

38、 找出目前销售业绩超过10000元的业务员编号及销售业绩，并按销售业绩从大到小排序

Select sale_id ,sum(tot_amt)

from sales

group by sale_id

having sum(tot_amt)>10000

order by sum(tot_amt) desc

39、 找出公司男业务员所接且订单金额超过2000元的订单号及订单金额

Select order_no,tot_amt

From sales ,employee

Where sale_id=emp_no and sex='M' and tot_amt>2000

40、 查询sales表中订单金额最高的订单号及订单金额

Select order_no,tot_amt from sales

where tot_amt=(select max(tot_amt) from sales)