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In SQL, a SAVEPOINT is a mechanism that allows you to create a point within a transaction to which you can later roll back. This feature is particularly useful when you want to implement a partial rollback in case of errors or other exceptional conditions within a transaction.
Savepoint is a command in SQL that is used with the rollback command. It is a command in Transaction Control Language that is used to mark the transaction in a table. Consider you are making a very long table, and you want to roll back only to a certain position in a table then; this can be achieved using the savepoint.
SAVEPOINT command save the current point with the unique name in the processing of a transaction. Syntax. SAVEPOINT savepoint_name; Example. SQL> CREATE TABLE emp_data ( no NUMBER(3), . name VARCHAR(50), . code VARCHAR(12) ); Table created. SQL> SAVEPOINT table_create; Savepoint created.
Sep 6, 2023 · Syntax for Savepoint command: SAVEPOINT SAVEPOINT_NAME; This command is used only in the creation of SAVEPOINT among all the transactions. In general ROLLBACK is used to undo a group of transactions. Syntax for rolling back to Savepoint Command: ROLLBACK TO SAVEPOINT_NAME;
SQL SAVEPOINT. The SAVEPOINT command in SQL allows us to set a point within a transaction to which we can roll back without affecting the entire transaction. This is particularly useful in managing long or complex transactions. Consider a scenario where we are updating records in the Customers table and want to create a savepoint after each update.
SQL Server savepoints are used to roll back transactions to a specified point. In the other words, this lets you roll back part of the transaction instead of the entire transaction. So, if we are rolling back transactions to a specific savepoint, only statements after the savepoint and before the rollback command will be rolled back.
SQL Language Reference. SAVEPOINT. Purpose. Use the SAVEPOINT statement to create a name for a system change number (SCN), to which you can later roll back. See Also: Oracle Database Concepts for information on savepoints. ROLLBACK for information on rolling back transactions.
