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SELECT employee_id,last_name,department_name,city FROM employees e, departments d, locations l WHERE...0355 -
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SELECT FROM job_grades; 一、非等值连接 rei： 查询名字，月薪和对应等级 1. BETWEEN AND 的方法 SELECT e.last_name,e.salary,...0398
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SELECT employee_id,salary FROM employees WHERE salary > 5000 ORDER BY salary;执行顺序大致如下：FROM 子句：DBM...0641
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SELECT from employees; SELECT employee_id,salary from employees; 排序用到ORDER BY 只用ORDER BY 默认是升序 SE...0601
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SELECT from employees; 排序用order by SELECT employee_id,salary,department_id from employees; 只用orde...0557
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SELECT from employees; SELECT employee_id,last_name,salary from employees; 只用order by的话，默认是升序 SELE...0454
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