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Q1) Convert the following set of BNF rules to a single EBNF rule. --> + | KE> - Q2) Briefly explain how the expected type and actual type of in the following two BNF rules are determined: (Rule 1) (Rule 2) -->

Q1) Convert the following set of BNF rules to a single EBNF rule. --> + | KE> - Q2) Briefly explain how the expected type and actual type of in the following two BNF rules are determined: (Rule 1) (Rule 2) -->

Database System Concepts
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 Problem 3 Q1) Convert the following set of BNF rules to a single EBNF rule. <E> --> <E> + <T> | KE> - <T> | <T> Q2) Briefly explain how the expected type and actual type of <expr> in the following two BNF rules are determined: <assign> --> <var> <expr> (Rule 1) <expr> --> <var>+ <var> (Rule 2) HTML Editond BIUA-A IEI I I X x, E E DぐLL F9 F10 F11 F7 F8 F4 F5 F6 F3 44
Transcribed Image Text:Question 3 Problem 3 Q1) Convert the following set of BNF rules to a single EBNF rule. <E> --> <E> + <T> | KE> - <T> | <T> Q2) Briefly explain how the expected type and actual type of <expr> in the following two BNF rules are determined: <assign> --> <var> <expr> (Rule 1) <expr> --> <var>+ <var> (Rule 2) HTML Editond BIUA-A IEI I I X x, E E DぐLL F9 F10 F11 F7 F8 F4 F5 F6 F3 44
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