I'm currently working on a match function to compare two char based columns in differnet tables to create a join.
In this particular case, I'm using a few different approaches to create a higher match ratio, as typos do happen.
For instance I use a join function using convert(char(10), tbla.field) = convert(char(10), tblb.field) to match only using the first 10 characters, as a lot of records have different endings, but are in fact the same.
Are there any other ways I could attempt to make matches? I was wondering if there was a dedicated string comparison operation giving me a percentage feedback. Debut joining dbut would give an 80% match, and thus I would leave it up to the user to decide to minimum match requirements.