In what conditions should indexes are employed
Under what conditions should indexes are employed?
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Indexes can be created to enforce exceptionality, to facilitate sorting, and to enable fast retrieval by column values. An excellent candidate for an index is a column which is frequently employed with equal conditions in WHERE clauses.
Write down a short note on the difference between an ERD and EER.
Give a brief introduction of the term active data warehousing?
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Explain some of the reasons which someone familiar with Microsoft Access will desire to learn VBA?
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