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Data Warehousing And Data Mining
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Course Name
BCA (Bachelor of Computer Application)
Subject Code BC0058 (Data Warehousing And Data Mining)
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PART - A
PART - B
PART - C
Subject : Data Warehousing And Data Mining
BC0058 : PART - A
Q. 1 | Which of the following architectures involves multiple processors share common memory and disk storage and running under a single operating system? |
| A) | Symmetric Multi Processing |
| B) | Massively Parallel Processing | | C) | Synchronised Modular Processing | | D) | None of these | | | | Q. 2 | Data Mining system are used for |
| A) | surveillance of employees |
| B) | assistance to management | | C) | competitor analysis | | D) | All of the above | | | | Q. 3 | The ability of an organization to save money is defined in terms of _____ |
| A) | Operating Efficiency |
| B) | Change Management | | C) | Methodology and Tools | | D) | None of these | | | | Q. 4 | This mechanism is used for query intensive application |
| A) | Tablespace |
| B) | Bitmapped Index | | C) | Star Schemas | | D) | All of the above | | | | Q. 5 | The SQL construct that is used to create a partition view is ____ |
| A) | UNION |
| B) | UNION ALL | | C) | CREATE | | D) | None of these | | | | Q. 6 | Granularity of data in a data mart is ____ than that of a data Warehouse |
| A) | Lower |
| B) | Higher | | C) | Equal to | | D) | None of these | | | | Q. 7 | Data Marts |
| A) | are essentially used by one user |
| B) | can have more than one user | | C) | can not be accessed by user | | D) | None of the above | | | | Q. 8 | The SQL construct that is used to create a partition view is ____ |
| A) | UNION |
| B) | UNION ALL | | C) | CREATE | | D) | None of these | | | | Q. 9 | The minimum number of log files used by an Oracle database is ____ |
| A) | 1 |
| B) | 3 | | C) | 4 | | D) | 2 | | | | Q. 10 | Bitmapped indexing is ideal when there is ____ cardinality |
| A) | Low |
| B) | Moderate | | C) | High | | D) | None of these | | | |
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