How can you roll back a delete in Db2?

In Db2, you can rollback a delete statement using the following methods:

1. Wrap the delete statement in a transaction and use the ROLLBACK statement within the transaction to undo all changes made. For example:

BEGIN TRANSACTION;
DELETE FROM table_name WHERE condition;
-- 如果需要回滚，使用 ROLLBACK;
-- 如果确认删除操作无误，使用 COMMIT;

1. If a DELETE statement has been executed but not committed, the ROLLBACK statement can be used to roll back the delete operation. For example:

DELETE FROM table_name WHERE condition;
-- 如果需要回滚，使用 ROLLBACK;
-- 如果确认删除操作无误，使用 COMMIT;

It’s important to note that you can only rollback a delete operation if the transaction has not been committed. Once a transaction has been committed, a delete operation cannot be rolled back. Therefore, before executing a delete statement, make sure your actions are correct and carefully consider the possibility of needing to rollback the transaction.