How do I use SAVEPOINT in SQL?
SAVEPOINT is used to set a point within a transaction that you can roll back to if needed. Would you like an example?
Yes, please provide an example of how to use it.
Sure! Here's a simple example:
BEGIN;
INSERT INTO employees (name) VALUES ('John Doe');
SAVEPOINT my_savepoint;
INSERT INTO employees (name) VALUES ('Jane Doe');
ROLLBACK TO my_savepoint;
COMMIT;
This will insert 'John Doe' but roll back the insertion of 'Jane Doe'.
What happens if I don't use SAVEPOINT?
Without SAVEPOINT, if you encounter an error, the entire transaction will be rolled back, losing all changes.
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