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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,...0197
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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...0315
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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...0242
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SELECT from employees; 排序用order by SELECT employee_id,salary,department_id from employees; 只用orde...0259
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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...0220
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愿我们的日子如溪水般清澈，眉眼间始终洋溢着初见的温柔，这份温柔，如同初春的暖阳，恒久不变。让我们保持内心的澄明，知足且坚定，温柔并上进，如同山间的清泉，始终向前进。我们终将抵达彼岸，无论去到哪里，阳光...0369
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DESC stu_1; SELECT from stu_1; INSERT INTO stu_1 VALUES (1,许嵩,26,20140606); INSERT INTO stu_1 VALUE...0311
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DESC stu_1; INSERT INTO stu_1 VALUES (1,张三,18,20230506); SELECT from stu_1; INSERT INTO stu_1 VALUE...0323