user and schema(转）
摘要：
“Aschemaisacollectionofdatabaseobjects.Aschemaisownedbyadatabaseuserandhasthesamenameasthatuser.Schemaobjectsarethelogicalstructuresthatdirectlyrefertothedatabase’sdata.Schemaobjectsincludestructuresliketables,views,andindexes.(Thereisnorelationshipbetweenatablespaceandaschema.Objectsinthesameschema 阅读全文
posted @ 2011-03-30 16:45 lizhihui 阅读(187) 评论(0) 推荐(0) 编辑
