Early November I had posted I would be conducting a series of sessions on MS SQL server. The response was really great and while I intended to do […]
SQL 2019 – Database Snapshot for In-Memory OLTP table
Traditionally Database snapshots have been used mainly to get Database mirroring secondary’s to act like Readable secondary. As you might be aware in mirroring etc. the databases are […]
SQL 2019- Max DOP and Memory Configuration
Probably the most useless recommendation and as far as I am concerned not a feature. Why? If you are a DBA you know that DOP and Memory limits […]
SQL 2019- Optimize for sequential key
Last page contention is one of the textbook examples for latch contention. This frequently occurs on tables that are narrow and have high inserts happening against a sequential […]
SQL 2019 – Custom Capture of Query Store stats
Query store is a feature of SQL server that tracks and captures information about queries. Database administrators will find query store useful in trouble shooting performance issues. Most […]
SQL 2019- Scalar UDF inlining
Scalar UDF are notorious for their performance issues. The most common reason they cause issues is due the fact that the logic is applied on each row. So […]
SQL 2019 – Worker Migration
Worker migration in SQL 2019 is the process by which workers that are bound to a scheduler can be unbound and run on another scheduler in order to […]
SQL 2019 – Indirect Checkpoint
Checkpoint in SQL server is the process by which dirt pages are written to disk. However it had a flaw that cause issues and the solution of which […]
Accelerated database recovery – And how it’s like a car wash
Accelerated Database Recovery is a feature that DBAs will find very useful. Dba’s are often stuck in a situation where the transaction log file cannot be truncated because […]