ORA-00001: violation of unique constraints (.) ORA-00017: Request session to set trace event ORA-00018: exceeds Max sessions ORA-00019: exceeds Max session licenses ORA-00020: exceeds Max processes () ORA-00021: Session is attached to some other
Http://technet.microsoft.com/zh-cn/library/bb124810 (exchg.65). aspx
Windows Server 2003 supports the Enable switch, so that you can adjust the memory usage and memory address space allocation. Regardless of the amount of physical memory in the
Oracle Error Code Encyclopedia-the latest and most complete Oracle error code is helpful for finding Oracle database errors quickly
ORA-00001: Violation of UNIQUE constraint (.)
ORA-00017: Request session to set trace event
ORA-00018: Maximum
First, CDB backup
1.1 Backup only CDB backup CDB database requires a user with SYSDBA or sysbackup permissions to connect to the CDB root environment, execute the backupdatabase root command to complete the backup of CDB, as follows:[ORACLE@12C01 ~]$
First, CDB backup1.1 Backup CDB onlyTo back up the CDB database only requires a user with SYSDBA or sysbackup permissions to connect to the CDB root environment, perform the backupdatabase root command to complete a backup of CDB, as follows:[[email
Oracle Exception classification
Oracle predefined exception (that is, a defined inner exception)
Oracle Non-predefined exception (that is, undefined inner exception)
User-defined exceptions
Common pre-defined exceptionsThe
The last two days the production database has been reported ORA-24756 error, check the MoS document, see a similar, said is a bug (bug 19201866-reco reports ORA-24756 repeatedly into trace file ( Document ID 19201866.8), but the 11.2.0.4 on HP-UX
To test the robustness of the application, Deliberately interrupt the Pro * C program that is normally connected, so as to observe their performance.
The test method is as follows: 1. When compiling the Pro * C application, add cpool = No or cpool =
Check an online article to display the list of events from 10000 to 10999,
I want to see if there is another one, so I will slightly modify it, from 0 to 20000, and export it to the oracle.txt file.
Set linesize 120Set feedback offSet serveroutput
Data Guard has a gap sequence problem.
I. Problem Description
This afternoon, when the customer had a power failure, one of the standby database databases could not be started and the following error was reported.
Media Recovery Waiting for thread 1
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.