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Grammar = → ABC → () | + | * | Derive A = (AB) * B + C

Grammar = → ABC → () | + | * | Derive A = (AB) * B + C

Database System Concepts
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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Using the following BNF grammar, show a parse tree and a leftmost derivation for the following picture. make sure you do not omit parentheses in you derivation and parse tree as they are terminal symbols. your derivation must start with <Assign> (which is in the picture).

Grammar <assign> → <id> = <expr> <id> → A | B | C <expr> <expr> + <term> | <term> <term> → <term> * <factor> | <factor> <factor> → (<expr>) | <id> Derive A = (A * B) * B + C
Transcribed Image Text:Grammar <assign> → <id> = <expr> <id> → A | B | C <expr> <expr> + <term> | <term> <term> → <term> * <factor> | <factor> <factor> → (<expr>) | <id> Derive A = (A * B) * B + C
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