Another tip: never enter queries directly in a production database connection with write access in the first place. (Ideally very few people even have that leve

Another tip: never enter queries directly in a production database connection with write access in the first place. (Ideally very few people even have that level of access.) Write it in your codebase, write tests for it, get it code reviewed, and run it in a dry run first and get a list of affected records before running it for real.