What is a good tool to see the differences between 2 tables (or even better, the datasets returned by 2 queries).
EDIT: I’m not interested in the schema changes. Just assume that the schemas are the same.
background as to why:
I’m porting some legacy code which can fill a database with some pre-calced data. The easiest way to see if I got everything right, is to check the output of the old program, with the new one. I was thinking that if there is some kind of ‘diff’ tool for databases, this might be great.
I’m sure a lot of people will point to the excellent tools of Red Gate, of which SQL Data Compare is the one that can compare data in tables. I’m using a simpler and cheaper alternative though: SQLDBDiff. It can compare the data in two SQL server tables.