Question 5 What is the size of op-s(R)? Tuples Blocks: Question 6 What is the size of oc-30 AND D-sS)? Tuples: Blocks Question 7 What is the size of R MS? Tuples Blocks

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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D Question 5
What is the size of op-s(R)?
Tuples
Blocks:
D Question 6
What is the size of oc30 AND D-1eS)?
Tuples
Blocks
D Question 7
What is the size of R M S?
Tuples:
Blocks
Transcribed Image Text:D Question 5 What is the size of op-s(R)? Tuples Blocks: D Question 6 What is the size of oc30 AND D-1eS)? Tuples Blocks D Question 7 What is the size of R M S? Tuples: Blocks
For these questions, there exists 4 relations. RIAB.CI. SIC.OI. TIDE.F). and UIB.G
The size of attributes A to D are 10 bytes each, attributes E and Fhave size 100 bytes, and
attribute G has size 1000 bytes. The blocks size is 16.384 bytes with no spanning
Relation R has 100,000 tuples. relation Shas 20.000 typles. Thas 5.000 tuples, and relation U has
150.000 tuples
Other statistics: VIRO-10.000, VIS.D)-S00, VIR.B)-1000.
Assume that attributes with the same name can be joined across relations (and duplicates are
eliminated during a join), and the first attribute is the primary key of the relation
Answer the following questions about calculating intermediate result sizes. Answer the question in
terms of the of tuples and the of blocks.
D Question 1
What is the size of RU?
Tuples:
Blocks
D Question 2
What is the size of nadR
Tuples:
Blocks
Oeetion
What is the size of RacR)?
Tuples:
Blocks
D Question 3
What is the size of do-t0(5)?
Tuples:
Blocks
D Question 4
What is the size of de-tS
Tuples:
Blocks
Transcribed Image Text:For these questions, there exists 4 relations. RIAB.CI. SIC.OI. TIDE.F). and UIB.G The size of attributes A to D are 10 bytes each, attributes E and Fhave size 100 bytes, and attribute G has size 1000 bytes. The blocks size is 16.384 bytes with no spanning Relation R has 100,000 tuples. relation Shas 20.000 typles. Thas 5.000 tuples, and relation U has 150.000 tuples Other statistics: VIRO-10.000, VIS.D)-S00, VIR.B)-1000. Assume that attributes with the same name can be joined across relations (and duplicates are eliminated during a join), and the first attribute is the primary key of the relation Answer the following questions about calculating intermediate result sizes. Answer the question in terms of the of tuples and the of blocks. D Question 1 What is the size of RU? Tuples: Blocks D Question 2 What is the size of nadR Tuples: Blocks Oeetion What is the size of RacR)? Tuples: Blocks D Question 3 What is the size of do-t0(5)? Tuples: Blocks D Question 4 What is the size of de-tS Tuples: Blocks
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