Inspect wide update plans, compare index-maintenance work with narrow updates, and read per-index counters without misreading STATISTICS IO.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
Recent Rows Only: A Filtered Index for the Data Everyone Reads
A filtered index for recent rows is small and fast, but its date never moves by itself. Here is how to build it, test it and keep it fresh.
How to Track Data Platform Service Level and Performance Before and After Consolidation?
Planning data platform consolidation? Track service level and performance before and after consolidation, so you know how well the planning worked.
SQL SERVER – Error: 825 – A Read of the File at Offset Succeeded After Failing 1 Time(s)
One of my clients contacted me to give advice about an error. In this blog, we would discuss error message – A read of the file at offset succeeded after failing 1 time(s)
Retired Features Still in Your Schema: Stretch, text and More
Before an upgrade, look for text and image columns, old rules and defaults, and Stretch metadata. These queries show what is there.
Do Queries Always Respect Cost Threshold of Parallelism? – Interview Question of the Week #216
Do queries always respect the Cost Threshold for Parallelism? Not always, and a quick AdventureWorks test with the execution plan shows why.
Plan Cache Size in SQL Server: List Every Cached Plan
Plan cache size shows how much memory each cached query plan takes. This post lists every plan in one database with its size, its text and its execution count. It also explains why the cache entry and the plan itself report different sizes.
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