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What is primary key in database?


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More Database Management Interview Questions

Explain what is meant by asymmetrical protocols?

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What is the use of ANALYSE ( Ver 7) option in EXP command ?

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What is a checkpoint and When does it occur in database?

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Explain the term specialization.

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Briefly describe the three types of sql commands.

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What are dml and ddl statements?

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What is denormalization and why would someone consider doing so?

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I have a table which has lot of inserts, is it a good database design to create indexes on that table?

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What are the disadvantages of a database?

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What is Library in Forms 4.0 ?

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Let?s say you have 100,000 records and you want to delete 95,000 at a time and keep only 5 thousand. But in local memory you don?t have enough space for 95,000 records. What do you do in this case? How do you delete without any problem with time and performance?

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What is index and also explain types of indexing in dbms?

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