Optional Parameters

CATALOG(catname)
Identifies the catalog in which the alias is defined. If the catalog's volume is physically mounted, it is dynamically allocated. The volume must be mounted as permanently resident or reserved. See Catalog Selection Order for DEFINE for the order in which a catalog is selected when the catalog's name is not given.
catname/alias
Names the catalog or an alias that can be resolved to a catalog. When the alias is for a user catalog connector, catname is the name of the master catalog or user catalog in which the connector record has been defined.

Abbreviation: CAT