Uniqueness of values in specific columns can be enforced in a SQL Server table by creating a unique constraint or a unique index on those columns. In this article, Sergey Gigoyan looks at what the differences between the two are, and how SQL Server handles them both.
2016-07-04
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Comments posted to this topic are about the item Attaching an SQL Server database...
Comments posted to this topic are about the item Superseded Indexes
Which of these indexes is superseded by another?
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