Given the following Context Free Grammar, sho derivation for the following strings. = ; -> ->

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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1. Given the following Context Free Grammar, show the
derivation for the following strings.
<statement> -><Id> = <Expr>;
<Expr> -> <Id>
<Expr> -> <Num>
<Expr> -> <Expr> <Op> <Expr>;
<Id> -> x
<Id> -> y
<Id> -> z
<Op> -> +
<Op> -> *
<Op> -> -
<Num> -> 1 | 2| 3 | 4 | 5 | 6 | 7 |8| 9| 0
String to be derived: x = x + y* 2 - z
Transcribed Image Text:1. Given the following Context Free Grammar, show the derivation for the following strings. <statement> -><Id> = <Expr>; <Expr> -> <Id> <Expr> -> <Num> <Expr> -> <Expr> <Op> <Expr>; <Id> -> x <Id> -> y <Id> -> z <Op> -> + <Op> -> * <Op> -> - <Num> -> 1 | 2| 3 | 4 | 5 | 6 | 7 |8| 9| 0 String to be derived: x = x + y* 2 - z
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