3. Given the following grammar in BNF: assign e id = expr id E A|B|C expr 2 id + expr | id * expr | (expr) | id show a parse tree and a leftmost derivation for A = A * (B + (C * A))

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
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3. Given the following grammar in BNF:
assign B id expr
id 2 A| B|C
expr a id + expr
| id * expr
| (expr)
| id
show a parse tree and a leftmost derivation for A = A * (B + (C * A))
Transcribed Image Text:3. Given the following grammar in BNF: assign B id expr id 2 A| B|C expr a id + expr | id * expr | (expr) | id show a parse tree and a leftmost derivation for A = A * (B + (C * A))
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