Distributed Database MS Computer Science/MSc Computer Science/PhD Computer Science 2 Semester/Term Islamia University Bhawalpur (IUB) 2017
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, i the Islamia University of Bahawalpur
Glim Fistitute of Modern Studie
Department Computer Science & IT
MCS 2*d Semester (Mid Term)
Paper: Distributed Data Base Systems
Course Code: CSIT-21205
Fall 2017
Subjective
Time: 50 min
Total Marks: 15
Q 2: Answer the following short question.
i.
Types of Data Directories with example.
il. Heterogeneous distributed database.
111.
Data delivery modes and give their examples.
iv.
Define Horizontal Fragmentation with example.
Q 3: Long Question.
ustani.pk
ustani.pk
a. Write Down the correctness rules for fragmentation.
b. Explain Data access control and its approaches.
(8)
ustani.pk
(7)
(3)
(4)
visit website: ustani.pk