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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3. For the expression A=B*(A-C) where -, *,=, and brackets are operation, number of leaves in parse tree are: а. 12 b. 9 c. 8 d. 7 Use the following grammar: <assign> -> <id> = <expr> <id> -> A | B|C <expr> -> <id> * <expr> | <id>-<expr> | (<expr>)[<id>
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Transcribed Image Text:3. For the expression A=B*(A-C) where -, *,=, and brackets are operation, number of leaves in parse tree are: а. 12 b. 9 c. 8 d. 7 Use the following grammar: <assign> -> <id> = <expr> <id> -> A | B|C <expr> -> <id> * <expr> | <id>-<expr> | (<expr>)[<id>
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