What is normalization, first normal form, second normal form, third normal form?


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what is query optimizer? what are different types of optimizer s supported by oracle ?

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What is defined as partial backup?

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The same tier?

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How can we acheive correlated sub-query in designer?can anyone help me in this regard?

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Why is dimensional normalization not required?

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After the generation of a report to whom we have to deploy or what we do after the completion of a report?

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What are the advantages of raid 1, 1/0, and 5. What type of raid setup would you put your tx logs?

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