Use this function to determine if a collection has changed since it was created or the collection changed flag was reset.
APEX_COLLECTION.COLLECTION_HAS_CHANGED ( p_collection_name IN VARCHAR2) RETURN BOOLEAN;
Table 7-5 COLLECTION_HAS_CHANGED Function Parameters
The name of the collection. An error is returned if this collection does not exist with the specified name of the current user and in the same session.
The following example shows how to use the
COLLECTION_HAS_CHANGED function to determine if the
EMPLOYEES collection has changed since it was created or last reset.
Begin l_exists := APEX_COLLECTION.COLLECTION_HAS_CHANGED ( p_collection_name => 'EMPLOYEES'); End;