SAP ABAP Table DB2WPDBH (Work process / database handle / connection name mapping) is used by

• Function Module (5)
• Program (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	STU3_ADMIN_GET_DB_CONNECTIONS	Gets the local database connections	STU3	BASIS	SAP_BASIS
2	Function Module	STU3_ADMIN_GET_DB_CONNECTIONS DB_CONNECTIONS STRUCTURE DB2WPDBH OPTIONAL	Gets the local database connections	STU3	BASIS	SAP_BASIS
3	Function Module	STU3_ADMIN_GET_DB_CON_SYSWIDE DB_CONNECTIONS STRUCTURE DB2WPDBH OPTIONAL	Gets database connections of entire SAP systems	STU3	BASIS	SAP_BASIS
4	Function Module	STU3_ADMIN_GET_DB_CON_SYSWIDE	Gets database connections of entire SAP systems	STU3	BASIS	SAP_BASIS
5	Function Module	STU3_ADMIN_SWITCH_DB_CON	Switch DB connection to another DB2 member	STU3	BASIS	SAP_BASIS