Cannot drop a MySQL table or database because a foreign key constraint fails with error 1217? Turn off FOREIGN_KEY_CHECKS, drop it, then turn checks back on.
SQL SERVER – Fix – Login failed for user ‘username’. The user is not associated with a trusted SQL Server connection. (Microsoft SQL Server, Error: 18452)
Login failed, the user is not associated with a trusted SQL Server connection, Error 18452? Usually it is a wrong username or Windows-only login mode.
SQL SERVER – FIX : Error 3154: The backup set holds a backup of a database other than the existing database – SSMS
Error 3154 says the backup set holds a backup of a different database. Here is how to fix it in SSMS, plus the T-SQL RESTORE WITH REPLACE option.
Find mysqld.exe on Windows and Fix ‘mysql’ Is Not Recognized
To find mysqld.exe on Windows, search the drive with dir or where, or ask the running server where it lives. This post fixes the ‘mysql’ is not recognized error by adding the bin folder to PATH, and it shows every command with its real output.
Table Variables Survive ROLLBACK: Logging Errors in a Transaction
See how table variables survive rollback to retain error details, then write a permanent error log after a failed SQL Server transaction.
The Messages Tab in SSMS: Row Counts, Errors and Warnings
The Messages tab in SSMS shows what a query did, not what it returned. This post reads row counts, PRINT output, warnings and errors line by line, and explains what SET NOCOUNT ON changes.
Retrying a Deadlock Victim: When the Retry Helps and When It Hurts
Retrying a deadlock victim works when the retry repeats the whole transaction. This post builds a bounded T-SQL retry for error 1205 and tests it against a real deadlock between two sessions. It then shows two cases where a retry does harm: inside an outer transaction and on an error that is not a deadlock. Every result comes from SQL Server 2025.