What is the difference between cold backup and hot backup?
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Discuss row chaining, how does it happen? How do you correct it?
What is a production dba?
How can you find your id on a system?
What degree do database administrators need?
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?
How do you set up tablespaces during an oracle installation?
What is your favorite tool for day-to-day oracle operation?
What operator tests column for the absence of data?
Describe hit ratio as it pertains to the database buffers. What is the difference between instantaneous and cumulative hit ratio and which should be used for tuning?
What is the difference between raid 5 and raid 10? Which is better for oracle?
When configuring sqlnet on the server what files must be set up?
When using oracle export/import what character set concerns might come up? How do you handle them?