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Oracle® Database SQL Language Reference
11g Release 2 (11.2)

Part Number E17118-03
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ALTER SEQUENCE

Purpose

Use the ALTER SEQUENCE statement to change the increment, minimum and maximum values, cached numbers, and behavior of an existing sequence. This statement affects only future sequence numbers.

See Also:

CREATE SEQUENCE for additional information on sequences

Prerequisites

The sequence must be in your own schema, or you must have the ALTER object privilege on the sequence, or you must have the ALTER ANY SEQUENCE system privilege.

Syntax

alter_sequence::=

Description of alter_sequence.gif follows
Description of the illustration alter_sequence.gif

Semantics

The keywords and parameters in this statement serve the same purposes they serve when you create a sequence.

Examples

Modifying a Sequence: Examples This statement sets a new maximum value for the customers_seq sequence, which was created in "Creating a Sequence: Example":

ALTER SEQUENCE customers_seq 
   MAXVALUE 1500;

This statement turns on CYCLE and CACHE for the customers_seq sequence:

ALTER SEQUENCE customers_seq 
   CYCLE
   CACHE 5;