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下列语句为列出没有评价过mID为’00001’的movie的reviewer ID，则空白处应该填写。 SELECT rID FROM Reviewer ____ SELECT rID FROM Rating where mID = ‘00001’
A．EXCEPT
B．UNION
C．INTERSECT
D．DIVID
参考答案和解析
EXCEPT
更多 “下列语句为列出没有评价过mID为’00001’的movie的reviewer ID，则空白处应该填写。 SELECT rID FROM Reviewer ____ SELECT rID FROM Rating where mID = ‘00001’A．EXCEPTB．UNIONC．INTERSECTD．DIVID” 相关考题
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有个员工表employees,该表中有职务列。你想检查哪些员工的信息中没有填写职务一栏,应该使用()。
A.Select*from employees where职务＝NULLB.Select*from employees where职务=‘NULL’C.Select*from employees where职务ISNULLD.Select*from employees where职务IS‘NULL’
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SQL语句：SELECT*FROM班级WHERE班级号NOT IN;(SELECT班级号FROM学生)该语句等价于：SELECT*FROM班级WHERE NOT______;(SELECT*FROM学生WHERE班级号=班级.班级号)
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下列SELECT语句语法正确的是（ ）。A)SELECT木FROM‘teacher' WHERE性别=‘男’B)SELECT宰FROM‘teacher’WHERE性别=男C)SELECT木FROM teacher WHERE性别=男D)SELECT木FROM teacher WHERE性别=‘男’
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下面语句中，表示过虑条件是vend_id=1002或vend_id=1003的是( )A.select * from products where vend_id=1002 or vend_id=1003B.select * from products where vend_id in (1002,1003);C.select * from products where vend_id not in (1004,1005);D.select * from products where vend_id=1002 and vend_id=1003
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Examine the data in the EMPLOYEES table:Which three subqueries work? ()
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Examine the data in the EMPLOYEES table:LAST_NAME DEPARTMENT_ID SALARYGetz 10 3000Davis 20 1500Bill 20 2200Davis 30 5000...Which three subqueries work? ()
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Click the Exhibit button and examine the data in the EMPLOYEES table.Which three subqueries work? ()
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下列哪些SQL语句可以查询出User表中name为张三的记录（）。A、SELECT * FROM User WHERE name = ’张三’B、SELECT * FROM User WHERE name = ’张三’ LIMIT 0，1C、SELECT * FROM User WHERE name LIKE ’张三’D、SELECT * FROM User WHERE name LIKE ’%张三%’
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多选题Examine the data in the EMPLOYEES table: Which three subqueries work? （）ASELECT * FROM employees where salary (SELECT MIN(salary) FROM employees GROUP BY department _ id);BSELECT * FROM employees WHERE salary = (SELECT AVG(salary) FROM employees GROUP BY department _ id);CSELECT distinct department_id FROM employees Where salary ANY (SELECT AVG(salary) FROM employees GROUP BY department _ id);DSELECT department_id FROM employees WHERE SALARY ALL (SELECT AVG(salary) FROM employees GROUP BY department _ id);ESELECT last_name FROM employees Where salary ANY (SELECT MAX(salary) FROM employees GROUP BY department _ id);FSELECT department_id FROM employees WHERE salary ALL (SELECT AVG(salary) FROM employees GROUP BY ANG (SALARY));
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