ICT501
Authored by NOORADILLA HASAN
Computers
University
Used 9+ times
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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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