Match 2 sql columns if = then update a different column by 1

Question

Im looking to see if there is a match between what someone submitted in one table to a different table in the database. I can\'t quite figure out how to set it up. What im

Answer 1

I guess you can do this in mysql:

UPDATE TableA a, TableB b 
SET a.ColumnC = ColumnC + 1 
WHERE a.ColumnA = b.ColumnB;