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submitted by
vivekamar
3 months, 13 days ago
sqlservercurry.com — SQL Server 2008 introduced the Merge statement which is commonly also called as Upsert (Update / Insert). It can be used as Insert if the row does not exists and update, if it exists. It can be used as ETL process while fetching data. This feature is useful for developers. It is not required to give any particular join (inner, left outer etc).
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