Securables and principals are the two nouns of SQL Server security, and a permission joins them. This post gives a user named Tom access to a Finance table, then uses GRANT, DENY and REVOKE and reads the permission list after each step. It ends with one grant on a whole schema. Every result comes from SQL Server 2025.
Columnstore Data Types: What Compresses Well and What Is Blocked
A great compression number means little if the index rejects one column. Here is how to test both questions on your own server.
SQL SERVER – Working with FileTables in SQL Server 2012 – Part 3 – Retrieving Various FileTable Properties
Part 3 of my FileTables series for SQL Server 2012: queries to tell files from folders and find root paths, path locators and relative paths.
Finding the Worst Query in Five Minutes With Query Store
Find the worst query with Query Store totals, compare CPU and duration over the last day, inspect plans, and choose the first tuning target.
Tuning Step One: Capture a Wait Stats Baseline Before Changing Anything
Capture a wait stats baseline, compare two saved snapshots, reject reset intervals, and rank meaningful waits before changing settings.
JSON_PATH_EXISTS and Typed ISJSON in SQL Server 2022
Validate payloads with JSON_PATH_EXISTS and typed ISJSON in SQL Server 2022, distinguish null from missing, and enforce a clear contract.
SQL SERVER Cheatsheet – Released for SQL Server 2012 Edition
The SQL SERVER Cheatsheet is updated for SQL Server 2012, now with SSMS shortcuts, Columnstore Index, and the datetime, ranking and analytic functions.