1.oracle NULLS LAST/NULLS FIRST语句
select * from GF_FP_XY order by QSSJ desc nulls last //空值在后 select * from GF_FP_XY order by QSSJ nulls first //空值在前
1.oracle NULLS LAST/NULLS FIRST语句
select * from GF_FP_XY order by QSSJ desc nulls last //空值在后 select * from GF_FP_XY order by QSSJ nulls first //空值在前