Author: Steve Stedman

In the world of database administration, few oversights carry as much weight as the absence of primary keys on SQL Server tables. While it might seem like a minor detail during initial setup or rapid development, this missing element can quietly undermine the stability and efficiency of even the most critical systems over time. Primary keys serve as the backbone of reliable data management by guaranteeing unique identification for every row. Without them, queries become harder to optimize, joins grow …

Missing Primary Keys in SQL Server: Hidden Risks and How to Fix Them Read more »

When you need to check compatibility level SQL Server after upgrading, start by reviewing the compatibility levels assigned to your databases. These settings determine which features and behaviors are available, directly influencing query performance and application stability during and after the upgrade process. Without a clear view of current compatibility levels across all databases, teams risk overlooking instances that could benefit from newer functionality or that might encounter unexpected issues. A quick and reliable method to inspect these settings helps …

How to Check and Update SQL Server Compatibility Levels with T-SQL Read more »

In the world of database administration, keeping a close eye on performance metrics using sys.dm_os_performance_counters is vital for ensuring SQL Server instances run efficiently. This DMV helps DBAs track memory allocation, buffer management, and transaction throughput to spot issues before they impact users. One particularly useful resource comes in the form of dynamic management views that expose detailed counter data collected by the database engine. These views offer a direct window into internal operations, making it easier to diagnose bottlenecks …

sys.dm_os_performance_counters: SQL Server Performance Counters Guide Read more »

Navigating the complexities of SQL Server performance issues can be a daunting task for any organization. When your database starts to lag, impacting business operations, finding the right expert becomes critical. A skilled SQL Server Performance Tuning Consultant by Stedman Solutions can transform your system’s efficiency, but the challenge lies in identifying the best fit for your specific needs. The market is filled with consultants claiming expertise, yet not all possess the specialized knowledge required for SQL Server optimization. You …

How to Choose the Best SQL Server Performance Tuning Consultant Read more »

Database administrators know that even the most carefully maintained SQL Server environments can encounter unexpected integrity problems. Over time, hardware issues, unexpected power loss, or software bugs can introduce subtle database corruption that may go unnoticed until it affects application performance or causes data loss. DBCC CHECKDB remains one of the most thorough and widely used commands for detecting these problems early. By examining allocation structures, index relationships, and page consistency, the command provides a clear picture of database health …

How to Run DBCC CHECKDB in SQL Server: Beginner’s Guide Read more »

The Database Engine Tuning Advisor (DTA) helps avoid over-indexing risks in Microsoft SQL Server by analyzing workloads and suggesting safer index changes. At its core, DTA processes workload data such as trace files or query scripts to simulate the effects of potential modifications, including new indexes, updated statistics, and table partitioning schemes. This analysis aims to provide actionable scripts that DBAs can review and apply selectively, rather than requiring manual trial-and-error tuning for every workload variation. Despite its utility in …

DTA SQL Server Risks: How to Avoid Over-Indexing with Database Engine Tuning Advisor Read more »

SQL Server Recovery Pending state occurs when the engine detects inconsistencies after an improper shutdown and must run automatic recovery before users can access the database. The underlying recovery process replays committed transactions and rolls back incomplete ones using the transaction log. While this mechanism protects data integrity, prolonged recovery times can disrupt operations and raise questions about potential underlying problems. In the sections that follow, we examine the common triggers for Recovery Pending messages, the factors that influence how …

SQL Server Recovery Pending: Causes, Process and How to Fix It Read more »

Protecting SQL Server databases requires more than simply scheduling routine backups. As data volumes grow and business operations become increasingly dependent on continuous availability, the choice of backup strategy directly influences both storage costs and the ability to recover quickly from failures or disasters. Different backup types offer distinct advantages and limitations. Full backups provide complete copies of the database but consume substantial space and time, while differentials and transaction log backups capture only changes since the last full or …

SQL Server Backup Types: Choosing the Right Strategy for Storage and Recovery Needs Read more »

You inherit a database and start digging through the schema. Everything looks reasonable on the surface until you notice a handful of tables with no clustered index. No obvious reason. They just never got one. In some cases they have been sitting that way for years, quietly degrading read and write performance while nobody thought to look. Heap tables are one of those code smells that tend to accumulate in the background. They do not cause immediate errors, they do …

SQL Code Smells: Heap Tables Read more »

Understanding the Log Shipping Instance Report in Database Health Monitor Log shipping has been a staple in SQL Server for what feels like forever, and for good reason. It’s a reliable, time-tested solution for Disaster Recovery, particularly for scenarios where you need a secondary site to ensure data availability. While some might argue that Replication or availability groups are more modern alternatives, log shipping remains a solid choice for many organizations due to its simplicity and effectiveness. Enter the Log …

Understanding the Log Shipping Instance Report in Database Health Monitor Read more »