ITPub博客

首页 > Linux操作系统 > Linux操作系统 > 042-088

042-088

原创 Linux操作系统 作者:jbymy2000 时间:2012-03-15 04:01:14 0 删除 编辑
88. A user receives the following error while executing a query:
ORA-01555: snapshot too old
Which two options can be the solutions to avoid such errors in future? (Choose two.) A) increase the size of redo log files
B) increase the size of the undo tablespace
C) increase the size of the Database Buffer Cache
D) increase the size of the default temporary tablespace
E) enable the retention guarantee for the undo tablespace
答案:BE
ORA-01555: snapshot too old 解决这个问题,一、增加undo表空间大小,二、打开retention guarantee
Oracle ORA-01555快照过旧
http://blog.csdn.net/tianlesoftware/archive/2009/10/31/4745898.aspx

来自 “ ITPUB博客 ” ,链接:http://blog.itpub.net/11312660/viewspace-718576/,如需转载,请注明出处,否则将追究法律责任。

上一篇: 042-085
下一篇: 042-090
请登录后发表评论 登录
全部评论

注册时间:2012-01-10

  • 博文量
    416
  • 访问量
    202954