Write data quality asserts in T-SQL to reject invalid staging rows, preserve check results, and record each load attempt.
Chatty Applications: Finding Many Tiny Queries per Second
Diagnose chatty applications with batch rates, cached executions, bounded session event counts, and measured round trips per user action.
Column-Level Permissions: Hiding One Column From Some Users
Apply SQL Server column-level permissions, test DENY and SELECT behavior, inspect explicit grants, and compare views with data masking.
statement_start_offset: Showing the Exact Statement Running Now
A stored procedure runs for forty minutes and you need the busy line. Here is how to pull it out of the batch text without the usual off-by-two mistakes.
SQL Server: How to Display Row Numbers in Query Editor for Efficient Query Editing
Let us learn how to Display Row Numbers in Query Editor for Efficient Query Editing. Comprehensive Database Performance Health Check
Updatable Ledger Tables: Proving No One Quietly Changed a Row
Update a row in a ledger table and the old version stays. Then verify the history with a digest, and break the digest to see what failure looks like.
Cold Cache vs Warm Cache: Testing Query Speed Fairly
Compare cold cache and warm cache query tests using isolated buffer clearing, logical and physical reads, and controlled measurements.