I Identify parallel running requests separately from parallel queries recorded in the cache. Those lists answer different performance questions.
Listing Driver, Encryption and Auth Scheme for Every Connection
Inspect the auth scheme, encryption, driver interface, and protocol for current SQL Server connections, then group the results clearly.
Do Stream Aggregate Operator Always Need Sort Operator? – Interview Question of the Week #240
Question: Do Stream Aggregate Operator Always Need Sort Operator?
Answer: Absolutely No.Before I explain this question a bit more in detail.
SQL SERVER – Is Stream Aggregate is Same as Gather Streams of Parallelism?
Is Stream Aggregate is Same as Gather Streams of Parallelism? – This was one of the brilliant questions I had received during my recent engagement.
SQL SERVER – Public Role Permissions and Effective Security Risk
Every database user belongs to Public and cannot be removed from that role. A reader asked whether the role should be eliminated.
How to Use a CASE Statement in the WHERE Clause? – Interview Question of the Week #239
Question: How to Use a CASE statement in the WHERE Clause? Answer: First of all – CASE is not a statement but rather an expression.
Read Heavy Workload or Write Heavy: Measure It in SQL Server
To tell a read heavy workload from a write heavy one, compare what the server reads with what it changes, and measure it over a window. This post counts reads and writes per table, reads the buffer and log counters with two snapshots, and explains what each lens misses.