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")
第1题:
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")
第2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 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”)
第3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")
第4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") 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"
第5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\")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"