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.
CTE Referenced Twice: Why the Query Runs It Twice
Writing a CTE name two times can mean doing the work two times. Two small demos show when a temp table helps and when it only adds cost.
SQL SERVER – Working with FileTables in SQL Server 2012 – Part 2 – Methods to Insert Data Into Table
Part 2 of my FileTables series covers two methods to insert data into a FileTable in SQL Server 2012, starting with a simple copy and paste.