forrestb

3 ms·

1. 1.▲
   by forrestb 6y ago

   > Well, if they don't and you're responsible you've really messed up, but that does happen (cough). Just do a similar diff via information_schema to show you schema discrepancies. Analysts with 1-2 years experience in SQL
2. 2.▲
   by forrestb 6y ago

   Data diffs are easy when the tables are already exactly the same. The union/except query you wrote returns no results. It's much harder when many things are wrong at once, and you have to debug: - Do schemas match? (same column na
3. 3.▲
   by forrestb 6y ago

   At best, Informatica could output the diff of two tables to another table. But the paradigm is very limiting. I'm not sure if you can dynamically change the mappings every time you feed it a new table (different primary keys, columns,