有SQL语句: SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=; ALL(SELECT 工资 FROM 教师 WHERE 系号 =“02”) 与如上语句等价的SQL语句是A.SELECT DISTINCT 系号 PROM 教师 WHERE 工资>=; (SELECT MAX(工资)FROM 教师 WHERE 系号=“02”)B.SELECT DISTINCT 系号 FROM 教师 WHERE 工资=; (SELECT MIN(工资)FROM 教师 WHERE 系号=“02”)C.SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=; ANY(SELECT 工资 FROM 教师 WHERE 系号=“02”)D.SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=; SOME(SELECT 工资 FROM 教师 WHERE 系号=“02”)
有SQL语句: SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=; ALL(SELECT 工资 FROM 教师 WHERE 系号 =“02”) 与如上语句等价的SQL语句是
A.SELECT DISTINCT 系号 PROM 教师 WHERE 工资>=; (SELECT MAX(工资)FROM 教师 WHERE 系号=“02”)
B.SELECT DISTINCT 系号 FROM 教师 WHERE 工资=; (SELECT MIN(工资)FROM 教师 WHERE 系号=“02”)
C.SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=; ANY(SELECT 工资 FROM 教师 WHERE 系号=“02”)
D.SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=; SOME(SELECT 工资 FROM 教师 WHERE 系号=“02”)
相关考题:
有SQL语句: SELECT DISTINCT系号FROM教师WHERE工资>=; ALL(SELECT工资FROM教师WHERE系号="02") 与如上语句等价的SQL语句是A.SELECT DISTINCT系号FROM教师WHERE工资>=; (SELECT MAX(工资)FROM教师WHERE系号="02")B.SELECT DISTINCT系号FROM教师WHERE工资>=; (SELECT MIN(工资)FROM教师WHERE系号="02")C.SELECT DISTINCT系号FROM教师WHERE工资>=; ANY(SELECT工资FROM教师WHERE系号="02")D.SELECT DISTINCT系号FROM教师WHERE工资>=; SOME(SELECT工资FROM教师WHERE系号="02")
有SQL语句: SELECT DISTINCT 系号 FROM 教师 WHERE 工资=; ALL(SELECT 工资 FROM 教师 WHERE 系号="02") 该语句的执行结果是系号A) "01"和"02" B)"01"和"03" C)"01"和"04" D)"02"和"03"
有SQL语句:SELECT DISTINCT 系号 FROM 教师 WHERE 工资=;ALL(SELECT 工资 FROM 教师 WHERE 系号=“02”)与如上语句等价的SQL语句是A) SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=;(SELECT MAX(工资)FROM教师WHERE系号="02")B)SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=;(SELECT MIN(工资)FROM 教师 WHERE 系号="02")C)SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=;ANY(SELECT 工资 FROM 教师 WHERE 系号="02")D)SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=;SOME(SELECT 工资 FROM 教师 WHERE 系号="02")
有SQL语句: SELECT DISTINCT系号FROM教师WHERE工资>= ; ALL(SELECT 工资 FROM 教师 WHERE 系号=“02”) 该语句的执行结果是系号A.“01”和“02”B.“01” 和“03”C.“01”和“04”D.“02”和“03”
有SQL语句: SELECTDISTINCT系号FROM教师WHERE工资=; ALL(SELECT工资FROM教师WHERE系号="02") 与如上语句等价的SQL语句是A.SELECTDISTINCT系号FROM教师WHERE工资=; (SELECTMAX(工资)FROM教师WHERE系号="02")B.SELECTDISTINCT系号FROM教师WHERE工资=; (SELECTMIN(工资)FROM教师WHERE系号="02")C.ELECTDISTINCT系号FROM教师WHERE工资=; ANY(SELECT工资FROM教师WHERE系号="02")D.SELECTDISTINCT系号FROM教师WHERE工资=; SOME(SELECT工资FROM教师WHERE系号="02")
有SQL语句: SELECT DISTINCT 系号 FROM 教师 WHERE 工资>=; ALL (SELECT 工资 FROM 教师 WHERE 系号="02") 该语句的执行结果是系号A.01和"02"B.01和"03"C.01和"04"D.02和"03"
有SQL语句:SELECT DISTINCT系号FROM教师WHERE 工资=ALL (SELECT 工资FROM教师WHERE系号=\02\) 与如上语句等价的SQL语句是A.SELECT DISTINCT系号FROM教师WHERE工资=(SELECT MAX(工资)FROM教师WHERE 系号="02")B.SELECT DISTINCT系号FROM教师WHERE工资=(SELECT MIN(工资)FROM教师WHERE 系号="02")C.SELECT DISTINCT系号FROM教师WHERE工资=(ANY(SELECT(工资)FROM教师WHERE 系号="02")D.SELECT DISTINCT系号FROM教师WHERE工资=(SOME (SELECT(工资)FROM教师WHERE 系号="02")
1、已知关系模式: 教师(职工号,系号,姓名,工资,主讲课程) 学院(系号,系名) 与“SELECT * FROM 教师 WHERE NOT(工资>3000 OR 工资<2000)”等价的语句是()。A.SELECT * FROM 教师 WHERE 工资 BETWEEN 2000 AND 3000B.SELECT * FROM 教师 WHERE 工资>2000 AND 工资<3000C.SELECT * FROM 教师 WHERE 工资>2000 OR 工资<3000D.SELECT * FROM 教师 WHERE 工资<=2000 AND 工资>=3000