dmp导出数据源的oracle版本是12c,我本地oracle版本是11g,这在导入数据过程中导致出现错误 一.用system 用户登录oracle,我忘记了system密码,解决办法: [oracle@yypc ~]$sqlplus "/as sysdba" SQL>startup SQL>conn /as sysdba SQL>alter user system identified by password; SQL>alter user system ac
RMAN的表级和表分区级恢复应用场景:1.You need to recover a very small number of tables to a particular point in time. In this situation, TSPITR is not the most effective solution because it moves all the objects in the tablespace to a specified point in time.2.You n
[20180317]12c TABLE ACCESS BY INDEX ROWID BATCHED2.txt --//简单探究12c TABLE ACCESS BY INDEX ROWID BATCHED特性.--//当使用12c时,执行计划出现TABLE ACCESS BY INDEX ROWID BATCHED,做一些探究.--//本文主要探究如何使用提示或者隐含参数控制这种特性. 1.环境: SCOTT@test01p> @ ver1PORT_STRING
choose two You plan to upgrade your Oracle Database 9i to Oracle Database 12c. Which two methods can you use? A) Perform a direct upgrade by manually running the catctl.pl and catupgrd.sql scripts before issuing the STARTUPUPGRADE command. B) Upgrade