Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
) We consider the following grammar: EXPRESSION ::= NUMERAL | ( EXPRESSION OPERATOR EXPRESSION NUMERAL ::= 0|1|2|3|4 |5|6|7|8|9 OPERATORS ::= + | Show that (4 - (3 + 2)) is a legal EXPRESSION using a rightmost derivation, and, then, a parse tree.
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Transcribed Image Text:) We consider the following grammar: EXPRESSION ::= NUMERAL | ( EXPRESSION OPERATOR EXPRESSION NUMERAL ::= 0|1|2|3|4 |5|6|7|8|9 OPERATORS ::= + | Show that (4 - (3 + 2)) is a legal EXPRESSION using a rightmost derivation, and, then, a parse tree.
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