> I'm surprised a database schema lasted 9/12 years without ever renaming or dropping a column.
I did have a couple of columns that were no longer needed and would have dropped them, but instead I just set them to null and ignored them. Nulls only take 1 byte of space in a row. I dropped them when DROP COLUMN was added.
I did have a couple of columns that were no longer needed and would have dropped them, but instead I just set them to null and ignored them. Nulls only take 1 byte of space in a row. I dropped them when DROP COLUMN was added.