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Chad Callihan
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Chad Callihan

A Blog for Databases and More

Category: Query Tuning

Posted on August 11, 2026

T-SQL Tuesday #201 – Temp Data

Posted on July 14, 2026

T-SQL Tuesday #200 – Signs of a Bad Query

Posted on April 15, 2026

RegEx Arrives in SQL Server 2025

Posted on May 4, 2024

What is the OPTION (FAST N) Query Hint?

Posted on April 20, 2024

Finding Positions with CHARINDEX() and PATINDEX()

Posted on February 7, 2024

Latches and Locks Are Not the Same

Posted on February 1, 2024

What is Join Elimination?

Posted on December 26, 2023December 27, 2023

Forcing Parallelism: Trace Flag vs. Query Hint

Posted on November 14, 2023

T-SQL Tuesday #168 – Example Using LEAD

Posted on October 24, 2023

Using CAST and CONVERT Functions with Dates

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  • T-SQL Tuesday #201 - Temp Data
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