DATEPART tzoffset extracts an offset in minutes. Preserve its sign, test sub-hour values and retain the source temporal type.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
SQL SERVER – Introduction to Heap Structure – What is Heap?
What is Heap? When table data has no logical order and no clustered index, SQL Server stores it as a Heap Structure. I explain pages and extents too.
SQL SERVER – 2005 – List All Column With Identity Key In Specific Database
Question I received in Email : How to list all the columns in the database which are used as identity key in my database?
SQL SERVER – Introduction to sys.dm_exec_query_optimizer_info
While browsing Books Online I found sys.dm_exec_query_optimizer_info, which returns statistics about the query optimizer to help you tune a workload.
SQL SERVER – 2005 – Find Index Fragmentation Details – Slow Index Performance
A slow index turned out to be heavily fragmented. My quick script uses sys.dm_db_index_physical_stats to show index fragmentation details for every index.
Reading SQL Server Error Messages Carefully
Reading SQL Server error messages carefully means using number, severity, state, and line to narrow the cause before searching.
SQL SERVER – Simple Puzzle Using Union and Union All – Answer
The answer to yesterday’s Simple Puzzle Using Union and Union All, explained with an image. My UNION vs. UNION ALL article explains why it works.
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