SQL基础(八)--SELECT

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查询所有工资少于5000的员工姓名和工资:

mysql> select fname,fsalary from t_employee where fsalary<5000;+-------+---------+| fname | fsalary |+-------+---------+| Jerry | 2300.8  || Jane  | 2200.88 || Smith | 3900    || Stone | 1200    |+-------+---------+4 rows in set

查询所有工资少于5000或年龄大于25岁的员工姓名、年龄和工资:

mysql> select fname,fage,fsalary from t_employee where fsalary<5000 or fage>25;+-------+------+---------+| fname | fage | fsalary |+-------+------+---------+| Jerry |   28 | 2300.8  || Jane  |   23 | 2200.88 || Smith |   28 | 3900    || Kerry |   28 | 6200    || Stone |   22 | 1200    |+-------+------+---------+5 rows in set


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