SELECT TYPES.WORK_TYPE_ID WORK_TYPE_ID , TYPES.WORK_TYPE_NAME WORK_TYPE_NAME , CAT.CATEGORY_CODE CATEGORY_CODE FROM AMW_WORK_TYPES_VL TYPES , AMW_WORK_CATEGORIES_B CAT WHERE TYPES.PROJECT_TYPE_ID IS NULL AND TYPES.START_DATE <= SYSDATE AND (TYPES.END_DATE > SYSDATE OR TYPES.END_DATE IS NULL) AND TYPES.CATEGORY_ID = CAT.CATEGORY_ID