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\|	\|	michaeljswart.com UPSERT Requires a Unique Index \| Michael J. Swart	1.9 parsecs away Travel
\|	\|	To avoid deadlocks when implementing the upsert pattern, make sure the index on the key column is unique. It's not sufficient that all the values in that particular column happen to be unique. The index must be defined to be unique, otherwise concurrent queries can still produce deadlocks. Say I have a table with an	1.9 parsecs away Travel
\|	\|	www.kevinrchant.com A unique review of SQL Server index types - Kevin Chant	1.8 parsecs away Travel
\|	\|	I want to do a unique review of SQL Server index types in this post. In order to help raise awareness about some of them.	1.8 parsecs away Travel
\|	\|	littlekendra.com Register for Upcoming Free Webcasts on Indexes, Stats Maintenance, Query Tuning, and More	1.7 parsecs away Travel
\|	\|	Kendra Little writes and draws comics about SQL Server, Data Platforms, and Database DevOps.	1.7 parsecs away Travel
\|	\|	cosmiaineurope.wordpress.com Protected: July 6, 7, 8 - E?RO - Cosmia in Europe	9.9 parsecs away Travel
\|		Cosmia's travel in Europe from June 2018 to July 2018	9.9 parsecs away Travel