Database Mail with Gmail failed: the SMTP server requires a secure connection or the client was not authenticated, 5.5.1. Here is how to fix it.
SQL SERVER – Many BACKGROUND Threads with Command VDI_CLIENT_WORKER
Seeing many BACKGROUND threads with command VDI_CLIENT_WORKER? Here is what the VDI_CLIENT_WORKER and VDI_CLIENT_OTHER wait types mean.
SQL SERVER – Event ID: 1135 – Cluster node ‘NodeName’ was Removed From the Active Failover Cluster Membership
Event ID 1135 says a cluster node was removed from the active failover cluster membership. Here is what a customer’s AlwaysOn setup taught me about it.
Practical Real World Performance Tuning – Fun and Reviews
Part two of my behind the scenes story of Practical Real World Performance Tuning: the fun we had in class and the reviews our students shared.
SQL SERVER – Unable to Start SQL Resource in Cluster – HUGE Master Database!
A client’s SQL Resource would not come online on either cluster node. The ERRORLOG showed a very slow recovery of a huge master database. Here is the fix.
Alternate Row Colors in an HTML Table Using T-SQL
To get alternate row colors in an HTML table from T-SQL, number the rows with ROW_NUMBER and pick a color by odd or even. This post builds the whole table with STRING_AGG, escapes special characters, colors one cell by value, and explains why the numbering must follow the display order.
How to Find Service Account for SQL Server and SQL Server Agent? – Interview Question of the Week #179
How do you find the Service Account for SQL Server and SQL Server Agent? Here are three ways: Configuration Manager, services.msc, and a T-SQL query.