* Note: PARSE Tree, not Derivation. Also, if need be, you can neatly hand draw your answers and take a picture of it (upload the pic file). 1. Parse Tree for B=C*B →= →A|B|C| D|E →+ | * |() | 2. Parse Tree for A=A+E+(B*D) same BNF as 1

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
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PARSE TREE

* Note: PARSE Tree, not Derivation. Also, if need be, you can neatly hand draw your
answers and take a picture of it (upload the pic file).
1. Parse Tree for B=C*B
<assign> →<id>=<expr>
<id>→A|B|C| D|E
<expr> → <id>+<expr>
<id> *<expr>
|(<expr>)
|<id>
2. Parse Tree for A=A+E+(B*D) - same BNF as 1
Transcribed Image Text:* Note: PARSE Tree, not Derivation. Also, if need be, you can neatly hand draw your answers and take a picture of it (upload the pic file). 1. Parse Tree for B=C*B <assign> →<id>=<expr> <id>→A|B|C| D|E <expr> → <id>+<expr> <id> *<expr> |(<expr>) |<id> 2. Parse Tree for A=A+E+(B*D) - same BNF as 1
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