Sub:- Computer Science Use the following schema and query plan to answer the corresponding questionsR(a,b,c)B(R) = 1000T(R) = 10,000Min(R,a)Max(R,a) = 9000 V(S,f) = 100V(R,b) = 100V(R,c) = 20S(d,e,f,g)B(S)T(S) = 10,000 T(T) = 10,000V(S,e) = 10T(h,ij)= 1000B(T) := 1000%3D%3DV(T,h) = 100= 0%3D%3D%3DV(S,d) = 50V(S,g) == 40(f) Aa,b.c.g.ljR5(e)g=hR4(d) o b=100 v b=101R3T( B+ tree index on h)(c)R2R1(a) ở a> 100 a a <= 1000(b) oe = 10 af= 1000(B+ tree index on a)(B+ treeindex on (e,f) )a. Compute the cardinality of all intermediate relations labeled R1 through R5 and the final result

I'm providing the answer to above question. I hope this will be helpful for you.

Use the following schema and query plan to answer the corresponding questions S(d,e,f,g) B(S) = 1000 T(S) = 10,000 T(T) = 10,000 V(S,e) = 10 R(a,b,c) T(h,ij) B(R) : = 1000 B(T) = 1000 %3D T(R) = 10,000 Min(R,a) = 0 Max(R,a) = 9000 V(S,f) = 100 V(R,b) = 100 V(R,c) = 20 %3| V(T,h) : = 100 %3D V(S,d) = 50 V(S,g) = 40 %3D (f) *a,b.c.g.lj R5 (e) g=h R4 (d) o b=100 v b=101 R3 T(B+ tree index on h) (c)| R2 R1 (a) o a> 100 a a c= 1000 (b) o . - 10 af = 1000 R (B+ tree index on a) (B+ tree index on (e,f) ) a. Compute the cardinality of all intermediate relations labeled R1 through R5 and the final result

Use the following schema and query plan to answer the corresponding questions S(d,e,f,g) B(S) = 1000 T(S) = 10,000 T(T) = 10,000 V(S,e) = 10 R(a,b,c) T(h,ij) B(R) : = 1000 B(T) = 1000 %3D T(R) = 10,000 Min(R,a) = 0 Max(R,a) = 9000 V(S,f) = 100 V(R,b) = 100 V(R,c) = 20 %3| V(T,h) : = 100 %3D V(S,d) = 50 V(S,g) = 40 %3D (f) *a,b.c.g.lj R5 (e) g=h R4 (d) o b=100 v b=101 R3 T(B+ tree index on h) (c)| R2 R1 (a) o a> 100 a a c= 1000 (b) o . - 10 af = 1000 R (B+ tree index on a) (B+ tree index on (e,f) ) a. Compute the cardinality of all intermediate relations labeled R1 through R5 and the final result

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

See similar textbooks

Similar questions

Describe the development of a programming language.
computer science - What exactly is control?
How do most people categorize programming languages?
What are some computer design applications?
Explain Programming Methodologies.
Please explain the meaning of the phrase "hybrid programming language."
What is the definition of a programming language?(In a single sentence, define)
Explain the basic arithmetic operators in programming and provide examples of their usage.
Machine language and assembly language distinctions
Describe the development of a programming language.
Outline the development history of a programming language.
computer science - Six characteristics determine the quality of data.