Wait stats basics start with one idea: a query in SQL Server is always either working or waiting. On Night 1 at the Clipboard Diner, one plate of Garden Hash shows the three states every query moves through. Then two queries show the same thing on your own server.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
SQL SERVER – What is Fill Factor and What is the Best Value for Fill Factor
What is fill factor and what is the best value for fill factor? I explain how it controls the space used on leaf-level pages and why the default is 100.
SQL SERVER – Denali – SEQUENCE is not IDENTITY
SEQUENCE is not IDENTITY. A reader asked about the difference: identity belongs to a single column, while a sequence does not depend on any table.
SQL SERVER – Denali – Introduction to SEQUENCE – Simple Example of SEQUENCE
A quick introduction to SEQUENCE in SQL Server Denali: create a sequence with start, increment and max values, then fetch numbers with NEXT VALUE FOR.
Text Equality: Trailing Spaces Can Compare as Equal
Text equality can match different stored strings. Check byte length and complete representation when exact identity belongs to the contract.
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.
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