ROLLBACK

Use the ROLLBACK statement to undo work done in the current transaction.

Required privilege

None

Usage with TimesTen Scaleout

This statement is supported with TimesTen Scaleout.

SQL syntax

ROLLBACK [WORK]

Parameters

The ROLLBACK statement enables the following optional keyword:

Parameter	Description
`[WORK]`	Optional clause supported for compliance with the SQL standard. `ROLLBACK` and `ROLLBACK WORK` are equivalent.

Description

When the PassThrough connection attribute is specified with a value greater than zero, the Oracle database transaction will also be rolled back.

A rollback closes all open cursors.

Examples

Insert a row into the regions table of the HR schema and then roll back the transaction. First set AUTOCOMMIT to 0:

Command> SET AUTOCOMMIT 0;
Command> INSERT INTO regions VALUES (5,'Australia');
1 row inserted.
Command> SELECT * FROM regions;
< 1, Europe >
< 2, Americas >
< 3, Asia >
< 4, Middle East and Africa >
< 5, Australia >
5 rows found.
Command> ROLLBACK;
Command> SELECT * FROM regions;
< 1, Europe >
< 2, Americas >
< 3, Asia >
< 4, Middle East and Africa >
4 rows found.