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Oracle® Database SQL Language Reference
11g Release 1 (11.1)

B28286-07
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DROP SEQUENCE

Purpose

Use the DROP SEQUENCE statement to remove a sequence from the database.

You can also use this statement to restart a sequence by dropping and then re-creating it. For example, if you have a sequence with a current value of 150 and you would like to restart the sequence with a value of 27, then you can drop the sequence and then re-create it with the same name and a START WITH value of 27.

See Also:

CREATE SEQUENCE and ALTER SEQUENCE for more information on creating and modifying a sequence

Prerequisites

The sequence must be in your own schema or you must have the DROP ANY SEQUENCE system privilege.

Semantics

schema

Specify the schema containing the sequence. If you omit schema, then Oracle Database assumes the sequence is in your own schema.

sequence_name

Specify the name of the sequence to be dropped.

Example

Dropping a Sequence: Example The following statement drops the sequence customers_seq owned by the user oe, which was created in "Creating a Sequence: Example". To issue this statement, you must either be connected as user oe or have the DROP ANY SEQUENCE system privilege:

DROP SEQUENCE oe.customers_seq;