SQL DBA Blog

Category: SQL Server

SQL Server Blog Archives, by Peter Whyte (Database Administrator).
Includes: Database Admin, Management Studio (SSMS), Windows Admin, PowerShell, WSL, MSSQL Backups, Restores & more…

  • SQL Script to Get AAG Latency

    In this post, I’m sharing a script that I use frequently as a Production SQL DBA to check Always On Availability Group (AAG) latency. Always On Availability Groups (AAG) are a high-availability and disaster recovery solution in SQL Server, allowing you to synchronize databases across multiple replicas. These…

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  • SQL Server User Permissions Audit Script

    As a Production SQL DBA, checking user permissions is a task I handle frequently. Whether it’s for proactive audits, troubleshooting access issues, or responding to unexpected requests, having a quick and reliable way to verify user permissions is needed. One of the most useful tools I rely on…

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  • Creating SQL Logins on an Availability Group (AG) Environment

    In an Always On Availability Group (AG) environment, SQL logins must be configured with consistent Security Identifiers (SIDs) across all replicas to avoid issues like orphaned users and ensure seamless authentication during failovers. For Domain users in SQL, this sync’s automatically and we just need to create the…

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  • Keeping SQL Server and Critical Systems Up to Date

    Applying the latest patches to SQL Server, Windows OS, and underlying hardware is a vital part of maintaining secure, high-performing systems. For many organizations, this is done on a regular schedule—monthly, quarterly, or aligned with specific maintenance windows. However, for business-critical, 24/7 systems, patching takes extra planning and…

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  • How to Set the Default Database for SQL Server Users

    This blog post contains a quick guide on how to set your default database in SQL Server using SQL Management Studio. When you log into SQL Server using SSMS and open a new query window, you will automatically be set to use your logins default database which was…

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  • How to Open SSMS as a Different Domain User

    If you’re working with SQL Server in a corporate environment, you might need to connect to the server using a different Domain User account, opening SQL Server Management Studio (SSMS) as a another user. This may be required if your computer is joined to a different Domain than…

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  • Troubleshooting Database Mirroring Issues in SQL Server

    This article contains various ways for resolving database Mirroring issues in SQL Server, guiding you through the troubleshooting process. Maintaining high availability and data integrity in a SQL Server environment is one of the main priorities as a SQL DBA. One issue we may encounter is Mirrored databases…

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  • What’s New in SQL Server 2025

    Microsoft announced SQL Server 2025 at Microsoft Ignite, with major new features focused on AI and integrating Azure SQL DB capabilities into on-premises servers. Check out this Microsoft Announcement post for more information: Announcing Microsoft SQL Server 2025: Enterprise AI-ready database from ground to cloud Key Features –…

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  • How to Kill SPIDs in SQL Server

    In SQL Server, Session Process IDs (SPIDs) play a crucial role in identifying and managing SQL connections. The KILL (SPID) command serves as a tool for terminating troublesome sessions. This blog post provides an overview of the KILL command and its practical applications. The following is included in…

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  • How to Check Your SQL Server Version

    This post contains various ways for how to check the running Microsoft SQL Server version numbers, including: – Check SQL Version in SSMS Object Explorer – SQL Query to get SQL Version Info – Check SQL Server Log Files– Run the SQL Server Feature Discovery Report Why Check…

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Tags

Always On Availability Groups (AAG) (4) Certificates & Encryption (3) Change Data Capture (CDC) (2) Database Admin (76) Database Backups & Recovery (14) Database Mirroring (2) Deleting Data (1) Error Messages (5) Git Commands (5) Importing & Exporting Data (2) Linked Servers (3) Linux Admin (2) Logging & Monitoring (1) Measuring Databases (10) Microsoft Patching (2) PowerShell Scripts (1) SQL Server Agent (5) SQL Server Database Files (1) SQL Server Data Types (2) SQL Server Management Studio (SSMS) (15) SQL Server Network Connectivity (3) SQL Server on Linux (1) SQL Server Patching (2) SQL Server Performance (5) SQL Server Permissions (2) SQL Server Processes (5) SQL Server Replication (2) SQL Server Scripts (13) Windows Admin (21) Windows Authentication (2) Windows Automation (1) Windows Events (2) Windows Firewall (4) Windows Subsystem for Linux (WSL) (19)