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.
Names That Differ Only by Case: Finding Them With COLLATE
A case-insensitive target can turn two rows into one. This walk-through finds the colliding names first, including the ones with trailing spaces.
SQL SERVER – Transfer Logins Error: Msg 15021: Invalid Value Given for Parameter Password
Moving logins with sp_help_revlogin failed with Msg 15021: invalid value given for parameter PASSWORD. Here is what was wrong with the hashed password.
Local Variable Estimates: Why the Density Vector Wins
Understand local variable estimates with skewed data, density calculations, parameter comparisons, and targeted OPTION RECOMPILE tests.
How Much Work Each Processor (CPU) is Doing in SQL Server? – Interview Question of the Week #178
A client with 56 processors saw CPU always high and wanted to know how busy each one was. Here is a simple DMV query that shows work per Processor (CPU).