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Chad Callihan

A Blog for Databases and More

Category: T-SQL

Posted on May 27, 2026May 28, 2026

Impact of Automatic Index Compaction

Posted on April 15, 2026

RegEx Arrives in SQL Server 2025

Posted on April 1, 2026April 4, 2026

Keeping AI Queries Under Control

Posted on September 23, 2025

SQL Server GROUP BY Options

Posted on July 20, 2025

Stolen Memory in SQL Server

Posted on April 14, 2025

Resolving Login SID Mismatches

Posted on April 7, 2025

Handling NULL with NULLIF and ISNULL

Posted on January 8, 2025

UNBOUNDED PRECEDING and UNBOUNDED FOLLOWING Examples

Posted on November 20, 2024

Setting a SQL Server Table to Read-Only

Posted on October 30, 2024October 30, 2024

Testing AI with ASCII Jack-o-Lanterns

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Top Posts

  • Retrieving SQL View Definitions
  • Testing a Power Supply with a Paper Clip
  • UNBOUNDED PRECEDING and UNBOUNDED FOLLOWING Examples
  • Finding All Database Sizes on a SQL Server
  • Querying XML Data in SQL Server
  • Resolving Login SID Mismatches
  • Forcing Parallelism: Trace Flag vs. Query Hint
  • Why Did Query Store Switch to READ_ONLY?
  • Trusting the TRUSTWORTHY Property
  • Handling NULL with NULLIF and ISNULL
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