Automatic seeding in Always On lets the primary send a database to a secondary without a manual backup and restore. Three read-only queries show which replicas use it, what happened before and how far a seeding run has come. It also covers why it fails and when to switch it off.
SQL SERVER – Getting Started with Accelerated Database Recovery – Instant Rollback
Killing a long transaction used to mean a rollback that took forever. SQL Server 2019 fixes that with Accelerated Database Recovery and its instant rollback.
Last Known Actual Plan in SQL Server: Query Plan Stats
The last known actual plan is the plan of the most recent run of a cached query, with its real row counts. This post turns the feature on for one database, reads the plan with sys.dm_exec_query_plan_stats and compares estimated rows with actual rows.
SQL SERVER – Reviewing Sleeping Sessions Before Terminating Any Session
An inactive or sleeping session may still be a useful pooled connection. A customer case prompted my earlier session-cleanup script.
Dirty Pages – How to List Dirty Pages From Memory in SQL Server? – Interview Question of the Week #223
Question: How to List Dirty Pages From Memory in SQL Server? Answer: I received question today during my SQL Server Performance Tuning Practical Workshop.
Capturing Actual Execution Plans From a Script With SET STATISTICS XML
Capture actual plans with SET STATISTICS XML, save the extra result safely, inspect runtime fields, and compare last-known plan statistics.
Ten SSMS Settings Worth Changing on Day One
Review ten SSMS settings for safer connections, clearer results, useful plans, and recoverable query text before starting your everyday work.