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
Some of the following grammars may be ambiguous; for each ambiguous gram- mar, show two different derivation trees for the same input string: (c) 1. 23 2. 3. Sasb s Sas S→ C
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Transcribed Image Text:Some of the following grammars may be ambiguous; for each ambiguous gram- mar, show two different derivation trees for the same input string: (c) 1. 23 2. 3. Sasb s Sas S→ C
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