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DROP TYPE -- Removes user-defined types
from the system catalogs
DROP TYPE typename [, ...]
The name of an existing type.
The message returned if the command is successful.
- ERROR: RemoveType: type
'typename' does not
This message occurs if the specified type is not
DROP TYPE will remove a user type from
the system catalogs.
Only the owner of a type can remove it.
DROP TYPE statement is a Postgres language extension.
Refer to CREATE TYPE for information
on how to create types.
It is the user's responsibility to remove any operators,
functions, aggregates, access methods, subtypes, and tables
that use a deleted type.
If a built-in type is removed, the behavior of the backend
To remove the box type:
DROP TYPE box;
DROP TYPE is a SQL3 statement.