UPDATE

Description

UPDATE operation. Only appears under an UPDATE statement

Versions

This operation was introduced in Oracle 8.0.4

This operation is implemented in the following versions

Example

This example was developed using Oracle 9.2.0.1 on Windows 2000

This example requires the following table definition

    CREATE TABLE t1 (c1 NUMBER);

The table does not need to be analysed

The statement

    UPDATE t1 SET c1 = 0;

generates the following execution plan

0     UPDATE STATEMENT Optimizer=CHOOSE
1   0   UPDATE OF 'T1'
2   1     TABLE ACCESS (FULL) OF 'T1'