Text equality can match different stored strings. Check byte length and complete representation when exact identity belongs to the contract.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
SQL SERVER – What is a Technology Evangelist?
What is a technology evangelist? Someone who spreads the news about new products, but unlike a salesperson, stays brutally honest even if it costs a sale.
SQL SERVER – Reducing Page Contention on TempDB
Page Contention on TempDB needs an identified allocation wait and server version. I check both before recommending legacy trace flags.
SQL SERVER – Denali – Clipboard Ring – CTRL+SHIFT+V
SQL Server Denali brings the clipboard ring from Visual Studio to SSMS. Copy a few items, then press CTRL+SHIFT+V to cycle through what you copied.
FOR XML PATH: Decode Escaped Text Through TYPE
FOR XML PATH escapes reserved characters. Use TYPE and scalar extraction to recover text instead of manually replacing entity spellings.
Slowly Changing Dimensions in Plain T-SQL
Slowly changing dimensions need explicit Type 1 and Type 2 rules; use T-SQL updates and inserts with tests for history and overlap.
SQL SERVER- Differences Between Left Join and Left Outer Join
Is there any difference between LEFT JOIN and LEFT OUTER JOIN? A reader asked, and here is the short answer: none at all, they are the same.
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