DROP SEQUENCE seqname [, ...]
The name of a sequence.
The message returned if the sequence is successfully dropped.
This message occurs if the specified sequence does not exist.
DROP SEQUENCE removes sequence number generators from the data base. With the current implementation of sequences as special tables it works just like the DROP TABLE statement.
The DROP SEQUENCE statement is a Postgres language extension.
Refer to the CREATE SEQUENCE statement for information on how to create a sequence.
To remove sequence serial from database:
DROP SEQUENCE serial
There is no DROP SEQUENCE in SQL92.