As an oracle dba what are the entire unix file you should be familiar with?
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Users are not being allowed on the system. The following message is received: ora-00257 archiver is stuck. Connect internal only, until freed. What is the problem?
You are getting busy buffer waits. Is this bad? How can you find what is causing it?
What is oracle log switch?
What causes the "snapshot too old" error? How can this be prevented or mitigated?
What are the important tasks of common oracle dba?
If you see contention for library caches how you can fix it?
How can you find out how many users are currently logged into the database? How can you find their operating system id?
What are the skills required for oracle dba?
A dba had to remove some archivelogs to free up space in filesystem. Nowwhen the rman job starts to backup archivelogs, it complains about missing archivelogs thatwere deleted by dba. To resolve the issue and continue backing up remainder of archivelogs,which rman command can be used so it wo not complain about missing archivelogs.
How can be determining the size of the log files?
How to drop an oracle database?
What is main function of database administrator?