Given the following grammar in BNF: –→=→X|Y|Z→ %|→?|→()|< var > a) Change the grammer ruloc co that Lond aters can be reduced b) Change the that 06 hac highor
Given the following grammar in BNF: –→=→X|Y|Z→ %|→?|→()|< var > a) Change the grammer ruloc co that Lond aters can be reduced b) Change the that 06 hac highor
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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![Given the following grammar in BNF: →< var > = → X|Y|Z- %|→?|→()|<var > a) Change the grammer
rules so that! and - unary operators can be produced. b) Change the grammer so that % has higher
precedence than ?. Moreover % should be right associative.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe152a633-5209-4bf4-b267-cc0641436ac5%2Fc4746abc-50ad-443b-8773-6931ab03faa2%2F25bgjh_processed.png&w=3840&q=75)
Transcribed Image Text:Given the following grammar in BNF: →< var > = → X|Y|Z- %|→?|→()|<var > a) Change the grammer
rules so that! and - unary operators can be produced. b) Change the grammer so that % has higher
precedence than ?. Moreover % should be right associative.
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