You have just started a new instance with a large sga on a busy existing server. Performance is terrible, what should you check for?
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What is the difference between cold backup and hot backup?
What do you understand by the term 'normalization'? Explain the various modes of normalization?
What degree do database administrators need?
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?
How can you find dead processes?
You get a call from you backup dba while you are on vacation. He has corrupted all of the control files while playing with the alter database backup controlfile command. What do you do?
I am getting error "no communication channel" after changing the domain name? What is the solution?
What do you understand by a control file?
What is dump destination? What are bdump, cdump and udump?
What do you mean by oracle database?
What does the no logging option do? Why would we be careful of using it?
Explain the term 'oracle grid architecture'?