OFFSET FETCH reads a block of rows from the middle of a sorted result. The demo returns rows 21 to 30, builds pages from a page number and measures why deep pages cost more. A seek based alternative reads the same two pages every time.
Frequently Run Stored Procedures: Find Them in the Cache
Frequently run stored procedures leave an execution count in the plan cache. A tested demo ranks three procedures by count, reads and calls per minute. It also shows what the cache forgets and when to use Query Store instead.
How to Write in Text File from T-SQL in SQL Server? – Interview Question of the Week #236
Question: How to Write in Text File from T-SQL in SQL Server?
The question above was actually asked in an interview and also was not asked in the same word.
SQL SERVER – Historical PHYSICAL_ONLY Bug and Version Specific Evidence
A historical SQL Server 2017 Bug affected CHECKDB with PHYSICAL_ONLY and clustered columnstore data. One client observed a dump.
SQL SERVER – Upgrade Error: Microsoft NET Framework 4.0 Installation Has Failed With Exit Code – 2146498511
The solution of error Microsoft .NET Framework 4.0 installation has failed with exit code -2146498511 which was faced during SQL Server upgrade
SQL SERVER – Error 35296: Log Backup for Database “SQLAuthority” on Secondary Replica Failed Because the New Backup Information Could Not be Committed on Primary Database
Error 35296: log backup on a secondary replica failed because the new backup information could not be committed on primary. Here is the cause I found.
Filtered Statistics: Fixing Estimates for Skewed Data
Use filtered statistics to describe skewed customer values, inspect histograms, and test estimates under literal and parameterized queries.