| 1 |
Which of the following operation are adopted with data in a database system? |
Normalize
Efficient
Complete
Unnormalize
|
| 2 |
Data item is a |
Files
Small unit
Information
Record
|
| 3 |
Which of the following is correct for data in a database system? |
Inconsistent
Redundant
Integrated
Normal
|
| 4 |
Retrieval of information with database is |
Slow
Normal
Faster
Both a and b
|
| 5 |
Information is stored with |
Maximum repetitions
Minimum repetitions
Repetitions
None of these
|
| 6 |
Data base is a collection of |
Data
Information
Files
All of these
|
| 7 |
Which of the following type of file requires largest processing time? |
Sequential file
Random file
Indexed sequential file
Direct access file
|
| 8 |
Which of the following data model is more flexible? |
Network data model
Hierarchical data model
Relational data model
Object data model
|
| 9 |
Which of the following represents a collection of concepts that are used to describe the structure of a database? |
Data warehouse
Data model
Data structure
Data type
|
| 10 |
To execute UNDO command you should: |
Press CTRL + Z
Select UNDO from the Edit menu
Click UNDO icon on the standard toolbar
Any of the above
|
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