What are the types of locks in database?


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More Oracle DBA (Database Administration) Interview Questions

What happens when the default and temp tablespace clauses are left out from create user statements?

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What does database administrator do?

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When should you increase copy latches? What parameters control copy latches?

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What are the tradeoffs between many vs few indexes? When would you want to have many, and when would it be better to have fewer?

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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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What happens if a primary key constraint is disabled and then enabled without fully specifying the index clause?

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How would you find total size of database in os level?

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What should a dba know?

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What is da in database?

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How many dba can you have?

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What are the various ingredients of sga?

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Where can you get a list of all initialization parameters for your instance? How about an indication if they are default settings or have been changed?

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