This category contains all SQL related articles
Learn what’s new in SQL Server 2025 compared with SQL Server 2022. Explore AI and vector features, performance improvements, editions, hardware requirements, memory, disk space, operating systems, and the SSMS version required for SQL Server 2025.
Can an AI agent really troubleshoot a SQL Server performance problem? Explore how AI agents can analyze DMVs, execution plans, wait statistics, and queries, identify root causes, and recommend fixes while keeping humans in control of production changes.
Can an AI Agent Troubleshoot a SQL Server Performance Problem? Read Post »
GPT-6 Astra: The Complete Guide I’m writing this to explain what GPT-6 Astra means for jobs, careers, HR, and the
GPT-6 Astra: The Complete Guide to the Future of AI, Jobs, Careers & Professional Work Read Post »
SQL Server 2025 brings major AI capabilities to the SQL Server platform. Learn how it compares with SQL Server 2022, including vector data, embeddings, vector search, AI functions, external AI models, and practical AI use cases.
SQL Server 2025 vs SQL Server 2022: What’s New for AI? Read Post »
Explore how AI can help SQL Server database professionals with query optimization, performance monitoring, troubleshooting, automation, and everyday database administration.
AI in SQL Server: What Can AI Actually Do for Database Professionals? Read Post »
A practical T-SQL window functions cheat sheet with simple SQL Server examples. Learn ranking, running totals, comparisons, and other essential window function techniques.
T-SQL Window Functions Cheat Sheet: Simple Examples for SQL Server Read Post »
Understand the relationship between SQL Server compatibility levels and the Cardinality Estimator, including how they influence query optimization, performance, and upgrade decisions.
Compatibility Level vs. Cardinality Estimator in SQL Server: A Complete Guide Read Post »
If you’ve ever stared at a query that takes 30 seconds to run and thought “this should take half a
How Can an AI Optimize a Slow SQL Server Query? (With a Real Example) Read Post »
Temporal Tables and Change Data Capture both help track data changes in SQL Server, but they solve different problems. This guide compares how they work, their key differences, performance considerations, limitations, and real-world use cases to help you choose the right approach.
Temporal Tables vs Change Data Capture: Which One Should You Use? Read Post »
Unused indexes can consume storage and increase the cost of INSERT, UPDATE, and DELETE operations. But before dropping an index with zero usage, learn how to analyze usage statistics, workload patterns, server restarts, and potential risks to make a safer decision.
How to Find Unused Indexes in SQL Server and Why You Shouldn’t Drop Them Immediately Read Post »
How many tempdb data files should your SQL Server have? This guide explains how to choose the right number of files, why equal sizing matters, how allocation contention occurs, and the best practices for configuring tempdb for better performance.
SQL Server tempdb Configuration: How Many Data Files Do You Really Need? Read Post »
If a busy SQL Server instance has tempdb allocation contention, one of the first things to review is whether tempdb
SQL Server tempdb Performance: Why Multiple Equal-Sized Data Files Matter Read Post »
Here’s what separates a strong Database Analyst interview from a weak one: it’s rarely the SQL. Most candidates who make
DELETE, TRUNCATE, and DROP may all remove data, but they work very differently. Learn their differences in logging, transactions, identity values, triggers, locking, performance, and when to use each command in SQL Server.
SQL Server Interview Question: DELETE vs TRUNCATE vs DROP – What’s the Difference? Read Post »
Rebuilding indexes isn’t always the answer to slow SQL Server queries. Learn why accurate statistics can be critical for query optimization, how stale statistics affect execution plans, and when to update statistics versus rebuild or reorganize indexes.
SQL Server Statistics vs Index Rebuild: Which Matters More? Read Post »
Query execution time alone doesn’t tell the full performance story. Learn how SQL Server logical reads reveal the amount of data accessed, why they matter for scalability, and how DBAs can reduce logical reads to improve query performance.
SQL Server Logical Reads: Why They Matter More Than Query Time Read Post »
SQL Server Agent jobs can fail for many reasons. Learn how to troubleshoot 5 critical SQL Server Agent job failures, identify root causes, analyze job history, and fix common permission, connectivity, blocking, and scheduling problems.
5 SQL Server Agent Job Failures Every DBA Should Investigate Immediately Read Post »
Master SQL Server execution plans with this complete guide. Learn how to interpret graphical execution plans, identify performance bottlenecks, understand operators, estimate query costs, and optimize slow queries using real-world examples and best practices.
Master Azure SQL Database administration with the 30 most useful Dynamic Management Views (DMVs). This guide includes practical T-SQL scripts, required permissions, troubleshooting scenarios, and real-world examples for monitoring performance, waits, indexes, blocking, and query execution.
Master Extended Events (XEvents) in SQL Server and Azure SQL with this comprehensive guide. Learn how to create sessions, capture deadlocks, monitor query performance, analyze waits, and troubleshoot database issues using SSMS, Azure Portal, and T-SQL.
Extended Events (XEvents) in SQL Server & Azure SQL: Complete Guide Read Post »
Ace your SQL Server DBA interview with this comprehensive collection of 100 SQL Server Administration interview questions and answers. Cover beginner to advanced topics including SQL Server installation, configuration, backup and restore, security, indexing, performance tuning, monitoring, Always On Availability Groups, replication, disaster recovery, maintenance, troubleshooting, and real-world production scenarios. Perfect for aspiring and experienced Database Administrators.
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