CodePudding user response:
Access to a lot of data are not able to solve.CodePudding user response:
Look at the alert log file, what are the tips,CodePudding user response:
This problem, this is generally the problem of the control file, such as:1. The problem of control rights, needs to be authorized,
2. The control problem is damaged, need to rebuild,
,,,,,,
Wait a minute!
CodePudding user response:
Also a lot of questions about the online articles or bloghttp://blog.csdn.net/chengxuefei_bj/article/details/50887904
http://blog.itpub.net/26143577/viewspace-720679/
http://www.linuxidc.com/Linux/2013-06/85260.htm
Please refer to the next!
CodePudding user response:
Show parameter control_files, see this parameter points to the control file does not exist, if:1, at least one only, then copy the files that exist in the parameter points to to other directory does not exist, then the alter database mount; If you can, then continue to alter database open;
2, if there was not one, but did not do a backup control file, before that normal restore database door closes;
3, if your environment is more complex, such as from the machine has a lot of database, but also what a delete library such as operation, or other exotic flower of events, consider whether set wrong is variable, the parameters of the instance startup pointing in the wrong file, and the parameters of the error file pointing to the wrong control file location, set up the correct is expected to solve this problem,
CodePudding user response:
Inside a control parameter control_files configuration, and then look at the tip of an alert inEstimated parameters configuration is not correct