COLLECTION_EXISTS Function

Use this function to determine if a collection exists. A TRUE is returned if the specified collection exists for the current user in the current session for the current Application ID, otherwise FALSE is returned.

Syntax

APEX_COLLECTION.COLLECTION_EXISTS (
    p_collection_name IN VARCHAR2)
RETURN BOOLEAN;

Parameters

Table: COLLECTION_EXISTS Function Parameters describes the parameters available in the COLLECTION_EXISTS function.

COLLECTION_EXISTS Function Parameters

Parameter	Description
`p_collection_name`	The name of the collection. Maximum length is 255 bytes. The collection name is not case sensitive and is converted to upper case.

Example

The following example shows how to use the COLLECTION_EXISTS function to determine if the collection named EMPLOYEES exists.

Begin
    l_exists := APEX_COLLECTION.COLLECTION_EXISTS (
        p_collection_name => 'EMPLOYEES';
End;