BUSS_ADMISSIONS_SOURCE id,name,PARENT_ID parentId,describes,ORDER_NUM orderNum SELECT FROM BUSS_ADMISSIONS_SOURCE where PARENT_ID is null and id=#{id} SELECT FROM id=#{id} PARENT_ID=#{parentId} DELETE FROM id=#{id} PARENT_ID=#{parentId} SELECT bas.id id,bas.name name from buss_admissions_source bas LEFT JOIN buss_client_source bcs on bas.ID=bcs.SOURCE_ID where bcs.CLIENT_ID =#{clientId}