1. Using the grammar in Example 3.2, show a parse tree and a leftmost derivation for the following statement: B=C*(A*C+B) →→ = → A B C → + ()

1. Using the grammar in Example 3.2, show a parse tree and a leftmost derivation for the following statement: B=C(AC+B) →→ = → A B C → + ()

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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Question

1. Using the grammar in Example 3.2, show a parse tree and a leftmost derivation for the following
statement:
B=C* (A*C+B)
<assign> → <id>
<id>→ A B C
<expr> → <id>+ <expr>
<id> <expr>
(<expr>)
<id>
<expr>

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