What is the relation between database and instance?


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More Oracle DBA (Database Administration) Interview Questions

What do you understand by the term 'system change number (scn)'?

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What do you mean by oracle database?

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Discuss row chaining, how does it happen? How can you reduce it? How do you correct it?

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How can I learn oracle dba?

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You see the following on a status report: redo log space requests 23 redo log space wait time 0 is this something to worry about? What if redo log space wait time is high? How can you fix this?

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What exactly does a dba do?

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What is the difference between a database and instance?

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What is a dba why is this position necessary?

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How many databases should a dba manage?

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If a tablespace shows excessive fragmentation what are some methods to defragment the tablespace? (7.1,7.2 and 7.3 only)

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Which rman command is used to create an exact replica of a database innew host?

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Do you need a commit after ddl statements?

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