Tag Archives: Error handling

SQL TRY CATCH and Error Handling with Examples

SQL TRY CATCH command is designed to control code flow in case that error situation occurs (error handling). This construction consists of  blocks. It is also possible to use transaction (more in article on Transactions). If an error occurs in the first block – TRY..END like that is activated code in CATCH..END block. TRY CATCH… Read More »

SQL Handling Transaction COMMIT ROLLBACK – Prevent Troubles

What we call a transaction in SQL is logical set or sequence of operations which belong to this transaction. SQL Transactions can be used if we perform some changes in a databases. Advantage of transactions managing is that performed changes are reversible and we always need to use command COMMIT for confirmation or use ROLLBACK… Read More »