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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What I need even more than the answers is a thorough explanation on how to solve it. Please be complete in the explanation and explain as simply as possible. I am using this to study

6.
10.
Using the grammar of Example 3.2 (pictured), draw a parse tree of these statements:
EXAMPLE 3.2
A Grammar for Simple Assignment Statements
<assign> → <id>
<expr>
<id> → A| B|C
<expr><id> + <expr>
|<id> * <expr>
a) B= C✶ (A* C + B)
b) A A (B+ (C))
c) C B + A*C
| ( <expr>)
| <id>
Describe in English, the language defined by the following grammar:
<S> → <A> <B> <C>
<A> a <A> | a
<B> → b <B> | b
<C> > c <C> | C
12.
Consider the following grammar:
<S> a <S> c <B> | <A> | b |ε
<A><A> | C
<B>→d | <A>
Which of the following sentences are in the language generated by this grammar?
a) abcd
b) acccbd
c) acccbcc
d) acd
e) accc
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Transcribed Image Text:6. 10. Using the grammar of Example 3.2 (pictured), draw a parse tree of these statements: EXAMPLE 3.2 A Grammar for Simple Assignment Statements <assign> → <id> <expr> <id> → A| B|C <expr><id> + <expr> |<id> * <expr> a) B= C✶ (A* C + B) b) A A (B+ (C)) c) C B + A*C | ( <expr>) | <id> Describe in English, the language defined by the following grammar: <S> → <A> <B> <C> <A> a <A> | a <B> → b <B> | b <C> > c <C> | C 12. Consider the following grammar: <S> a <S> c <B> | <A> | b |ε <A><A> | C <B>→d | <A> Which of the following sentences are in the language generated by this grammar? a) abcd b) acccbd c) acccbcc d) acd e) accc
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