sql 插入数据检查[新建唯一索引]唯一索引

CREATE UNIQUE NONCLUSTERED INDEX [2] ON [dbo].[AllPlayer] ( [userid] ASC, [loginname] ASC, [nickname] ASC )WITH (STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = OFF, DROP_EXISTING

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