How do I implement isolation levels in SQL?

How do I implement isolation levels in SQL?

To implement isolation levels in SQL, you can use the SET TRANSACTION ISOLATION LEVEL command followed by the desired level.

What are the different isolation levels I can choose from?

The main isolation levels are READ UNCOMMITTED, READ COMMITTED, REPEATABLE READ, and SERIALIZABLE.

Can you explain the differences between these levels?

Sure! READ UNCOMMITTED allows dirty reads, READ COMMITTED prevents dirty reads, REPEATABLE READ prevents non-repeatable reads, and SERIALIZABLE prevents phantom reads.

How do I set a specific isolation level for a transaction?

You can set it by using the command: SET TRANSACTION ISOLATION LEVEL <level>; before starting your transaction.