有SQL语句： SELECT * FROM 教师 WHERE NOT (工资＞3000 OR 工资＜2000) 与如上语句等价的SQL语句是
A．SELECT*FROM 教师 WHERE 工资BETWEEN 2000 AND 3000
B．SELECT*FROM 教师 WHERE 工资＞2000 AND 工资＜3000
C．SELECT*FROM 教师 WHERE 工资＞2000 OR 工资＜3000
D．SELECT*FROM 教师 WHERE 工资＜=2000 AND 工资＞3000
有SQL语句： SELECT*FROM教师WHERENOT(工资＞30000R工资＜2000)与如上语句等价的SQL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
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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 * FROM 教师 WHERE NOT(工资>3000 OR 工资2000 AND 工资2000 OR 工资3000
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 * FROM 教师 WHERE NOT(工资＞30000R工资＜2000) 与如上语句等价的SQL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
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 * FROM教师WHERE NOT（工资>3000 OR 工资2000 AND 工资2000 OR 工资=3000
