This question already has answe开发者_运维百科rs here: Closed 11 years ago. Possible Duplicate: SELECT … FOR UPDATE and MAX()
I\'m confused as to why you would specify FOR UPDATE -- why does the database care what you\'re going to do with the data from the SELECT?
米尔顿凯因斯李典 开发者_C百科 2022-03-22 04:27 银耳的价格大约在35～50元左右一斤，但因银耳的质量、产地、市场等不同价格有差异。银耳我中国的特产，野生银耳虽然分布广泛，但数量稀少，在古代属于名贵补品
加载中,请稍侯......