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How do you handle database transactions in Django?
In Django, database transactions are managed using the `transaction` module, which provides the `atomic` decorator or context manager. This ensures that a series of database operations are treated as a single transaction. If an exception occurs, all operations within the atomic block are rolled back, maintaining database integrity.
In Django, database transactions are managed using the `transaction` module, which provides the `atomic` decorator or context manager. This ensures that a series of database operations are treated as a single transaction. If an exception occurs, all operations within the atomic block are rolled back, maintaining database integrity.
How do you handle transactions in PostgreSQL?
Transactions in PostgreSQL are managed using the `BEGIN`, `COMMIT`, and `ROLLBACK` commands. Start a transaction with `BEGIN`, execute your SQL commands, and if everything is correct, save changes with `COMMIT`. If there’s an error or you wish to discard changes, use `ROLLBACK`. For instance: `BEGIN; UPDATE employees SET salary = salary * 1.1; COMMIT;`.
Transactions in PostgreSQL are managed using the `BEGIN`, `COMMIT`, and `ROLLBACK` commands. Start a transaction with `BEGIN`, execute your SQL commands, and if everything is correct, save changes with `COMMIT`. If there’s an error or you wish to discard changes, use `ROLLBACK`. For instance: `BEGIN; UPDATE employees SET salary = salary * 1.1; COMMIT;`.