Find the Top CPU and IO Consuming Queries in SQL Server This script queries sys.dm_exec_query_stats to identify the most resource-intensive queries currently cached in the plan cache, showing logical reads, writes, CPU time, and elapsed time — with the full query text and execution plan for each. Purpose and Overview …

Report Index Fragmentation Across All Tables in SQL Server This script queries sys.dm_db_index_physical_stats to report external and internal fragmentation for every index in the current database, filtering to indexes with significant fragmentation and enough pages to make maintenance worthwhile. Purpose and Overview …

Report Database Size in MB and GB for All SQL Server Databases This script queries sys.master_files and sys.databases to report the total allocated size in megabytes and gigabytes for every user database on the SQL Server instance, sorted by largest database first. Purpose and Overview Knowing how large each database …

Find Unused Nonclustered Indexes in SQL Server This script queries sys.dm_db_index_usage_stats to identify nonclustered indexes that have never been used by any read operation since the last SQL Server restart, yet still carry write overhead with every INSERT, UPDATE, and DELETE on the table. Purpose and Overview Every …

Blocking in SQL Server occurs when one session holds a lock that another session needs, causing the second session to wait. This T-SQL script queries the dynamic management views to show all currently blocked sessions, the blocking session, wait type, wait duration, and the SQL text involved. Purpose and Overview When …

SQL Server tracks index recommendations automatically as queries execute, storing them in the missing index DMVs. This T-SQL script queries those views to produce a ranked report of missing indexes, ordered by the estimated improvement they would provide, along with a ready-to-run CREATE INDEX statement for each …

Wait statistics are one of the most reliable ways to identify performance bottlenecks in SQL Server. This T-SQL script queries sys.dm_os_wait_stats, filters out background and idle wait types that do not indicate real problems, and ranks the remaining waits by their percentage of total wait time. Purpose and Overview …

SQL Server Primary Key Discovery Script Using sp_pkeys and sysobjects Purpose This SQL Server script generates dynamic SQL statements that can be executed to discover primary keys across all user tables in a database. It's a powerful administrative tool that helps database administrators quickly identify primary key …

SQL Server Query to Identify Tables with Clustered Indexes for Rebuilding Database administrators frequently need to perform maintenance operations on clustered indexes to optimize database performance. This SQL Server query provides a quick and efficient way to identify all user tables that contain clustered indexes, …

SQL Server Object-Level Permissions Script: Generate GRANT Statements for Database Security Database security is a critical aspect of SQL Server administration, and managing permissions at the object level can be time-consuming when done manually. This SQL Server script automates the process of generating GRANT …