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.
Illustrate the five SQL built-in functions.
Illustrates the cold backup in case of Oracle?
Explain the Stored Procedure transformation?
States the term SnowFlake.
Describe briefly the term ODBC?
Provide a brief introduction of the term ‘Data warehousing ’?
Give brief introduction of the term broad cast agent?
Describe briefly How can we configure mapping in the informatica?
How can we do unit testing into the informatica? How to load data in the informatica?
Explain what is meant by the term enterprise warehouse?
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