ALTER DATABASE
Alters metadata associated with a database by setting DBPROPERTIES
. The specified property
values override any existing value with the same property name. The usage of
SCHEMA
and DATABASE
are interchangeable and one can be used in place of the other. An error message
is issued if the database is not found in the system. This command is mostly used to record the metadata for a database and may be used for auditing purposes.
Syntax
ALTER { DATABASE | SCHEMA } database_name
SET DBPROPERTIES ( property_name = property_value [ , ... ] )
Examples
-- Creates a database named `inventory`.
CREATE DATABASE inventory;
-- Alters the database to set properties `Edited-by` and `Edit-date`.
ALTER DATABASE inventory SET DBPROPERTIES ('Edited-by' = 'John', 'Edit-date' = '01/01/2001');
-- Verify that properties are set.
DESCRIBE DATABASE EXTENDED inventory;
+-------------------------+------------------------------------------+
|database_description_item| database_description_value|
+-------------------------+------------------------------------------+
| Database Name| inventory|
| Description| |
| Location| file:/temp/spark-warehouse/inventory.db|
| Properties|((Edit-date,01/01/2001), (Edited-by,John))|
+-------------------------+------------------------------------------+