A PIVOT Table example on AdventureWorks that counts addresses by state, plus why UNPIVOT cannot always give you back the original rows.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
SQL SERVER – 2005 – Twelve Tips For Optimizing Sql Server 2005 Query Performance
Twelve tips for better SQL Server 2005 query performance, from execution plans and covering indexes to avoiding cursors, using APPLY and archiving old data.
STRING_ESCAPE JSON Text: Escaping Is Not Serialization
STRING_ESCAPE JSON text is still text that belongs inside a JSON string. This example compares quotations, backslashes and a newline with complete FOR JSON PATH objects.
Least Privilege for Application Logins
Design least privilege for SQL Server application logins with roles, schema permissions, and stored procedures, then test real workflows.
SQLAuthority News – SQL SERVER Database Administrator Job Description
An updated SQL Server Database Administrator Job Description: support for the database environment, new technology, reliability and long-term planning.
SQL SERVER – Ideal TempDB FileGrowth Value
What is a good TempDB FileGrowth value? Here are simple size-based guidelines, from 10 MB growth for small files to 10 percent for large ones.
Bit Shifts: Move Bits Without Rotating Them
Bit shifts fill vacant positions with zero and discard bits past the type width. Compare tinyint with int and a negative shift direction.
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