EBK DATABASE SYSTEM CONCEPTS
7th Edition
ISBN: 9781260049268
Author: SILBERSCHATZ
Publisher: MCG COURSE
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Chapter 2, Problem 18E
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a.
Relational algebra statement:
ΠID( σdept_name =“Physics” (in...
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b.
Relational algebra statement:
ΠID,name(σbuilding=“Watson”((instructor ⋈instructor.ID=teaches.ID teaches) ⋈teaches...
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c.
Relational algebra statement:
∏ID,name(student ⋈ takes ⋈ ∏course_id(σdept_name= ‘Comp.Sci...
Explanation of Solution
d.
Relational algebra statement:
∏ID,name(student ⋈ takes ⋈ ∏course_id(σdept_name= ‘Comp.Sci...
Explanation of Solution
e.
Relational algebra statement:
∏ID,name(student ⋈ takes ⋈ ∏course_id(σdept_name= “null...
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Final Project: Part I
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