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Your Index Rebuild Maintenance Plan Is Rebuilding Indexes Nobody Uses

September 17, 2026
Pinal Dave
SQL Performance
Maintenance Plan, SQL Index, SQL Statistics

Your index rebuild maintenance plan takes four hours every Sunday, fills the log and delays the backup. It may be buying you far less than everybody assumes.

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An execution plan showing SELECT, Top and Index Scan, all carrying 17 rows with no warnings, beside a properties panel where Estimated Rows Read says 25 and Actual Rows Read says 5,000,000

AI Execution Plan Analysis: I Gave It My Plan and Asked What Was Wrong

September 16, 2026
Pinal Dave
SQL Performance
Parameter Sniffing, Recompile, SQL Statistics

I handed AI a plan with no warnings and healthy numbers, yet it read five million rows to return seventeen. That is the real test of AI execution plan analysis.

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auto drop

Understanding the AUTO_DROP Option in SQL Server 2022

October 6, 2024
Pinal Dave
SQL Performance
SQL Statistics

One such feature is the AUTO_DROP option for statistics. In this blog post, we’ll explore what the AUTO DROP option is, how it works.

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SQL Server Maintenance Techniques

SQL Server Maintenance Techniques: A Comprehensive Guide to Keeping Your Server Running Smoothly

October 6, 2023
Pinal Dave
SQL Tips and Tricks
Hardware, Maintenance Plan, SQL Audit, SQL Backup and Restore, SQL Error Messages, SQL Index, SQL Log, SQL Server Security, SQL Statistics, SQL Upgrade, Testing

This comprehensive guide explore into some essential maintenance techniques and best practices to ensure your SQL Server deployment.

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Incremental Statistics

SQL SERVER – Understanding Incremental Statistics

September 19, 2023
Pinal Dave
SQL Performance
SQL Index, SQL Statistics

Understanding incremental statistics: since SQL Server 2014, statistics can update only the changed subsets instead of a costly full scan on large tables.

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SQL SERVER - Performance: OR vs IN

SQL SERVER – Performance: OR vs IN

September 11, 2023
Pinal Dave
SQL Performance
Execution Plan, SQL Server Management Studio, SQL Statistics

I recently asked on Twitter an exciting question about OR vs IN. While I got lots of good answers, there were an equal amount of wrong answers.

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staitistics

SQL SERVER – The Comprehensive Guide to STATISTICS_NORECOMPUTE

September 8, 2023
Pinal Dave
SQL Performance
SQL Index, SQL Statistics

One such feature that plays a pivotal role in managing your SQL Server databases’ performance is the STATISTICS_NORECOMPUTE option.

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