DROP TABLE

DROP TABLE;delete table;.

Removes one or more tables and their projections. When you run DROP TABLE, the change is auto-committed.

Syntax

DROP TABLE [ IF EXISTS ] [[{namespace. | database. }]schema.]table[,...] [ CASCADE ]

Parameters

IF EXISTS: Specifies not to report an error if one or more of the tables to drop does not exist. Use this clause in SQL scripts to avoid errors on dropping non-existent objects before attempting to create them.

{ database | namespace }

Name of the database or namespace that contains table:

Database name: If specified, it must be the current database.
Namespace name (Eon Mode only): You must specify the namespace of objects in non-default namespaces. If no namespace is provided, Vertica assumes the object is in the default namespace.

schema

Name of the schema, by default public. If you specify the namespace or database name, you must provide the schema name, even if the schema is public.

If you specify a schema name that contains a period, the part before the period cannot be the same as the name of an existing namespace.

table: The table to drop.
CASCADE: Specifies to drop all projections of the target tables. CASCADE is optional if the target tables have only auto-projections. If you omit this option and any of the tables has non-superprojections, Vertica returns an error and rolls back the entire drop operation.
This option is not valid for external tables.

Privileges

Non-superuser:

Table: owner, or DROP privilege
Table schema: owner, or USAGE privilege

Requirements

Do not cancel an executing DROP TABLE. Doing so can leave the database in an inconsistent state.
Check that the target table is not in use, either directly or indirectly—for example, in a view.
If you drop and restore a table that is referenced by a view, the new table must have the same name and column definitions.

Examples

See Dropping tables