#Flashed

ORA-38797: Full database recovery required after a database has been flashed back

文档解释ORA-38797:FulldatabaserecoveryrequiredafteradatabasehasbeenflashedbackCause:Anattemptwasmadetorecoversomedatafilesortablespacesofadatabaseafterthedatabaseha...

ORA-38765: Flashed back database cannot be opened read-only.

文档解释ORA-38765:Flashedbackdatabasecannotbeopenedread-only.Cause:Acompleterecoverywasperformedafteradatabaseflashbackbutthedatabasewasnotopenedforread-writeaccess...

flask框架(六)——闪现(get_flashed_message)、请求扩展、中间件(了解)

message-设置:flash('aaa')-取值:get_flashed_message()-假设在a页面操作出错,跳转到b页面,在b页面显示a页面的错误信息1如果要用flash就必须设置app.secret_key='asdfasdf'2特点:存了,你可以在任意一次请求中获取,但是一旦取了一次,就没有了。这里的一...