Business Objects INTERVIEW QUESTION & ANSWERS
56. |
What is metadata? |
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Metadata is defined as the data about data. Metadata describes the entity and attributes description. |
57. |
What is a Batch? |
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Batches provide a way to group sessions for either serial or parallel execution by the Informatica Server. |
58. |
Define Cubes? |
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A cube consists of a set of ordered dimensions and measures. A cube may have one or several dimensions. |
59. |
What is surrogate key? |
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A system generated artificial primary key that is not derived from any data in the database. It is similar to the object identifier in an object oriented system. |
60. |
What is slice and dice? |
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An operation that allows one to select a portion of the data of a fact on the basis of specified values in one or several dimensions. |