what is the role of quesry processor in the database system architecture? a) It send result back to the application that requested the quires b) It translates instruction into file system commands c) It writes log records before applying changes to the database d) It uses information from the catelog to perform query optimization.

Fundamentals of Information Systems
9th Edition
ISBN:9781337097536
Author:Ralph Stair, George Reynolds
Publisher:Ralph Stair, George Reynolds
Chapter3: Database Systems And Big Data
Section: Chapter Questions
Problem 16SAT
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what is the role of quesry processor in the database system architecture?

a) It send result back to the application that requested the quires

b) It translates instruction into file system commands

c) It writes log records before applying changes to the database

d) It uses information from the catelog to perform query optimization.

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