建立ROLE和管理role建立和使用角色如前所诉，角色存在的目的就是为了使权限的管理变得轻松。建立角色使用CREATEROLE语句，他的语法如下：CREATEROLErole_nameIDENTIFIEDBYpasswordCREATEROLErole_nameIDENTIFIEDEXTERNALLYCREATEROLErole_nameIDENTIFIEDGLOBALLY缺省情况下建...(more)

Idol and role model During the Western Han Emperor Wu Huo, two thousand years is young, patriotic generals idol and role model. Huo is the nephew of Emperor Wu, won the Emperor's favorite, 18-year-old war on the active army, Huo led the year Eight Pa...(more)