sql 插入数据检查[新建唯一索引]唯一索引

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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 = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]

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