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SqlServer中的UniqueIdentifier数据类型介绍

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Release： 2016-06-07 17:48:16
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您可以使用 NEWSEQUENTIALID 生成 GUID 以减少叶级别索引上的页争用。NEWSEQUENTIALID 只能与 uniqueidentifier 类型的表列的 DEFAULT 约束一起使用。

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default guid
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