Sometimes it’s still the app:
rows = select all accounts for each row in rows: update row
Depending on what you are doing, the above is not necessarily bad.. often much better than an SQL that locks an entire table (potentially blocking the whole DB, if this is one of the key tables).
Depending on what you are doing, the above is not necessarily bad.. often much better than an SQL that locks an entire table (potentially blocking the whole DB, if this is one of the key tables).