Question: Write a BNF description of the precedence and associativity rules defined below. Assume the only operands are the names a,b,c,d, and e.

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
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Question: Write a BNF description of the precedence and associativity rules defined below. Assume the
only operands are the names a,b,c,d, and e. 

 

Precedence
Associativity
Highest
Lowest
Left to right
*,/
+, -
- (unary)
=, | =
Transcribed Image Text:Precedence Associativity Highest Lowest Left to right *,/ +, - - (unary) =, | =
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Write a BNF description of the precedence and associativity rules defined below. Assume the only operands are the names a,b,c,d, and e. 

Precedence

Highest

*, /

 

 

+, -

 

 

- (unary)

 

Lowest

=, /= 

Associativity

Left to right

 

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