11. Write a BNF description of the precedence and associativity rules defined for the expressions in Problem 9. Assume the only operands are the names a, b,c,d, and e. a + b * c + d the order of evaluation would be represented as ((a + (b * c)')² + d) a. a * b - 1 + c b. a * (b - 1) / c mod d c. (a - b) / c & (d * e / a - 3) d. -a or c - d and e е. а > b хогc or d <- 17 f. -a + b

11. Write a BNF description of the precedence and associativity rules defined for the expressions in Problem 9. Assume the only operands are the names a, b,c,d, and e. a + b * c + d the order of evaluation would be represented as ((a + (b * c)')² + d) a. a * b - 1 + c b. a * (b - 1) / c mod d c. (a - b) / c & (d * e / a - 3) d. -a or c - d and e е. а > b хогc or d <- 17 f. -a + b

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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