In which files records are stored one after another in an ascending or descending order determined by the key field of the records ?
| A. | direct files |
| B. | sequential files |
| C. | both (A) & (B) |
| D. | None of these |
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Option: B Explanation : Click on Discuss to view users comments. |
| A. | Customer file |
| B. | Sales hlstory file |
| C. | Inventory file |
| D. | All of the above |
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Option: C Explanation : Click on Discuss to view users comments. |
Partial correlation is a type of
| A. | Simple correlation |
| B. | Multiple correlation |
| C. | Both (A) and (B) |
| D. | None of these |
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Option: B Explanation : Click on Discuss to view users comments. |
| A. | Linear correlation |
| B. | Non-linear correlation |
| C. | Zero correlation |
| D. | None of the above |
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Option: A Explanation : Click on Discuss to view users comments. |
The advantages of sequential files are
| A. | Easy to organise, maintain and understand |
| B. | There is no overhead in address generation. Locating in a particular record requires only the specification of the key field |
| C. | Relatively inexpensive I/O media and devices can be used for the storage and processing of such files. |
| D. | All of the above |
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Option: D Explanation : Click on Discuss to view users comments. |
