Cognos INTERVIEW QUESTIONS & ANSWERS
Data Warehousing
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| 26. | What is meant by drill across? |
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| The drill–across operation executes queries involving more than one cube. |
| 27. | What is meant by drill through? |
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| The drill–through operation allows one to move from data at the bottom level in a cube to data in the operational systems from which the cube was derived. |
| Posted by Sharon. (Nov 07, 2013) | |
Drill-through allows user to navigate from summarized information to detailed information. |
| 28. | What is meant by drill down? |
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| The drill-down operation performs the operation opposite to the roll-up operation, i.e., it moves from a more general level to a detailed level in a hierarchy, thus presenting more detailed measures. |
| 29. | Define data mining? |
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| A data mining dimension provides support for dimensions that result from data mining models. |
| 30. | What is Metrics Designer? |
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| Metrics Designer is a development tool used to model and deploy scorecards and related data loading procedures. |