Author: Mitchell Glasscock

When it comes to SQL Server backups, most folks think first about user databases — and rightly so, since that’s where the business data lives. But what often gets neglected are the system databases, the unsung heroes quietly keeping everything running behind the scenes. Neglecting to back up master, model, and msdb can put you in a tight spot during a recovery scenario. Let’s break down why each is important — and why tempdb doesn’t belong in your backup plans. …

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SQL Server errors 823, 824, and 825 are critical indicators that your system is having trouble accessing data in your database files. These errors often point to underlying issues with disk I/O, hardware, or storage subsystems, and can range from transient problems to signs of serious corruption. Understanding these errors, their causes, and how to address them is crucial for maintaining a stable and reliable SQL Server environment. SQL Server Error 823: The Operating System Returned an I/O Error Error …

SQL Server Errors 823, 824, and 825 Read more »

Index maintenance is an essential part of SQL Server performance tuning, but it needs to be performed carefully to avoid negative impacts on your production environment. Rebuilding or reorganizing indexes during the day, when your database is under heavy usage, can lead to serious issues, including degraded performance, contention, and even application timeouts. Let’s dive into the reasons why this task is best scheduled during maintenance windows or low-usage periods. 1. Performance Impact on Query Execution Rebuilding or reorganizing indexes …

Why You Should Avoid Rebuilding or Reorganizing Indexes During the Day in SQL Server Read more »