Databases-ER-Model (GATE (Graduate Aptitude Test in Engineering) Computer Science): Questions 8 - 10 of 10
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Question number: 8
» Databases » ER-Model
Question
elimination of data redundancy?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | elimination of data redundancy? |
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| b. | Ability to associate related data |
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| c. | Increased security |
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| d. | All a. , b. and c. are correct |
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Question number: 9
» Databases » ER-Model
Question
E-R diagram can represent the overall ________structure Of a database graphically
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Logical structure |
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| b. | Strucuture |
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| c. | Physical structure |
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| d. | Question does not provide sufficient data or is vague |
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Question number: 10
» Databases » ER-Model
Question
ER model is used in which phase
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Conceptual data base |
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| b. | Schema refinement |
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| c. | physical refinement |
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| d. | None of the above |
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