When should you increase copy latches?
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What is oracle partial backup?
You have just started a new instance with a large sga on a busy existing server. Performance is terrible, what should you check for?
Explain force logging feature in 9i.
What command is used to type files to the screen?
What is the difference between rman and a traditional hotbackup?
How can you determine if an index needs to be dropped and rebuilt?
What is the difference between truncate and delete? Why is one faster? Can we rollback both? How would a full table scan behave after?
What do you understand by the oracle?
What causes the "snapshot too old" error? How can this be prevented or mitigated?
What are database skills?
Explain dual table. Is any data internally stored in dual table. Lot of users is accessing select sysdate from dual and they getting some millisecond differences. If we execute select sysdate from emp; what error will we get. Why?
Are database administrators in demand?