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v1.1

Documentation:v1.1

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DROP SEQUENCE

Function

DROP SEQUENCE deletes a sequence from the current database.

Precautions

Only the sequence owner or a user granted with the DROP permission can run the DROP SEQUENCE command. The system administrator has this permission by default.

Syntax

DROP SEQUENCE [ IF EXISTS ] {[schema.]sequence_name} [ , ... ] [ CASCADE | RESTRICT ];

Parameter Description

  • IF EXISTS

    Reports a notice instead of an error if the specified sequence does not exist.

  • name

    Specifies the name of the sequence to be deleted.

  • CASCADE

    Automatically deletes the objects that depend on the sequence.

  • RESTRICT

    Refuses to delete the sequence if any objects depend on it. This is the default action.

Examples

-- Create an ascending sequence named serial, starting from 101.
mogdb=# CREATE SEQUENCE serial START 101;

-- Delete a sequence.
mogdb=# DROP SEQUENCE serial;
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