A client automating SQL Server installs saw random failures: System.ArgumentNullException, Value cannot be null. Here is what Detail.txt showed and the cause.
SQL SERVER – How Do I Evaluate Monitoring Tools?
I evaluate monitoring tools by collection cost, historical context and usefulness in choosing a correction. Customer discussions shaped those three criteria.
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.
SQL SERVER – Error: 9642 – An error occurred in a Service Broker/Database Mirroring transport connection endpoint
Error 9642 in the ERRORLOG: an error occurred in a Service Broker/Database Mirroring transport connection endpoint. Here is what caused it for my client.
Listing Databases Below the Server’s Native Compatibility Level
Find databases below the native compatibility level, generate reviewable ALTER statements, and prepare Query Store checks safely.
Binary Collations: Byte-Order Sorting and Exact String Matches
Learn how a binary collation changes SQL Server sorting, exact string comparisons, index access, and column metadata checks.