SQL中，与“NOT IN”等价的操作符是（）。 A．=SOME B．＜＞SOME C．=ALL D．＜＞ALLA．AB．BC．CD．D
SQL中，与“NOT IN”等价的操作符是（）。 A．=SOME B．＜＞SOME C．=ALL D．＜＞ALL
A．A
B．B
C．C
D．D
参考答案和解析
＜＞ALL
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