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ICT501

Authored by NOORADILLA HASAN

Computers

University

Used 9+ times

ICT501
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9 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Who is the database administrator? List THREE managerial and technical skills required for a DBA. (5 marks)

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Give TWO (2) advantages of data modeling. (4 marks)

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain strong entity and weak entity in Entity Relationship Diagram(ERD). (4 marks)

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the disjointness and completeness constraints for generalization hierarchy.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Differentiate between the following pairs of terms: One-Sided Outer Join versus Full Outer Join. Intersection Operators versus Difference Operators. (1 mark each, total = 4 marks)

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What are DBMS languages? Explain and give example in your answers. (4 marks)

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

Outline the importance of the data model to the database designer. (2 marks)

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