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SETANSI_NULLSON

SETANSI_NULLSON

SETANSI_NULLSON

SETANSI_NULLSON

1

SET ANSI_NULLS ON affects a comparison only if one of the operands of the comparison is either a variable that is NULL or a literal NULL .

仅当某个比较操作数是值为 NULL 的变量或文字 NULL 时，SETANSI_NULLSON 才会影响比较。

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