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.
SQL SERVER – Adding Values WITH OVER and PARTITION BY
How do you sum values for each group without GROUP BY and still keep every row? Here is how SUM with OVER and PARTITION BY answers a reader’s question.
SQL SERVER – How to DELETE Multiple Table Together Via SQL Server Management Studio (SSMS)?
A DBA asked for a shortcut to drop more than one table at once in SSMS without writing T-SQL. Here are the simple steps, using just the keyboard.
DATE_CORRELATION_OPTIMIZATION: Helping Joins on Related Dates
SQL Server can learn that an order date and a ship date move together. Here is a small demo of the read savings and the trade you accept.
Find Memory Used by Each Database in SQL Server
To see the memory used by each database, count its pages in the buffer pool with sys.dm_os_buffer_descriptors. This post builds a small demo database, shows buffer and dirty page sizes before and after a checkpoint, explains the row with no name, and covers what the buffer pool numbers leave out, such as the plan cache.
SQL SERVER – Install Error: Microsoft Cluster Service (MSCS) Cluster Verification Errors – Part 3
Part 3: one more reason SQL Server setup can fail the MSCS cluster verification errors rule during install or AddNode, as seen at a client, and the fix.