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New posts in Optimization
Why are [Seemingly] suitable indexes not used on a LEFT JOIN with OR
Apr 25, 2021
Execution Plan Warnings cardinality xml data type
Apr 25, 2021
SQL Server - Select most recent record from each group when performance is critical
Apr 25, 2021
Why do we have Top N Sort in this example?
Apr 25, 2021
How SQL Server caches data in memory
Apr 25, 2021
Ms sql MERGE INTO locks whole table for updates
Apr 25, 2021
Why doesn’t this recursive CTE with a parameter use an index when it does with a literal?
Apr 25, 2021
Getting Index Scan instead of a possible Index Seek?
Apr 25, 2021
Very similar queries, vastly different performance
Apr 25, 2021
Wordcount in a field (all and unique) - is there a more elegant/optimal way?
Apr 25, 2021
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