• 2022-06-06
    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< AND >=3000
  • 举一反三