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.
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.
SQL SERVER – Save Auto Recover Information – SSMS
SSMS can save your unsaved queries if it crashes, yet few people know the setting. Here is where to find Auto Recover under Tools, Options and why it matters.
Tally Table: Replacing WHILE Loops With a Set of Numbers
Use a tally table or GENERATE_SERIES to replace repeated date, character, and missing-number loops with ordered sets of rows.
SQL SERVER – Transfer Logins Error: Msg 15419: Supplied Parameter sid Should be Binary(16) – sp_help_revlogin
Moving logins with sp_help_revlogin, I hit Msg 15419: supplied parameter sid should be binary(16). Here is what causes it and how to fix the script.