SET NOCOUNT ON usage

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Only inserting a row if it's not already there

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Return pre-UPDATE column values using SQL only

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How to simulate DEADLOCK on SQL Server?

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Do database transactions prevent race conditions?

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How to deal with concurrent updates in databases?

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Transaction deadlock for select query

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Is SELECT or INSERT in a function prone to race conditions?

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Does "SELECT FOR UPDATE" prevent other connections inserting when the row is not present?

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The best way to use a DB table as a job queue (a.k.a batch queue or message queue)

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How to check if a table is locked in sql server

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Handling race conditions in PostgreSQL

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Update where race conditions Postgres (read committed)

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Postgres race condition involving subselect and foreign key

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