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3. (10) Convert the following EBNF into BNF: A := CB [x] B ::= C (xly|z) D C:= y {y D} z D:= x | y| null

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

3. (10) Convert the following EBNF into BNF:
A ::= CB [x]
B ::= C (xly|z) D
C:= y {y D} z
D:= x |y| null

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