數據庫 update select 多列操作
最常用的update語法是: 1 UPDATE <table_name> SET <column_name1> = <value>, SET <column ...
最常用的update語法是: 1 UPDATE <table_name> SET <column_name1> = <value>, SET <column ...
Mysql rownum 實現 轉自: http://blog.csdn.net/saydo/article/details/22725953 SELECT @row ...