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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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Types of expressions

Humans use facial expressions as an effective way of non-verbal communication such as to convey messages, whereas computers use weighted expressions for operations.

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We can use the dash symbol in a variable name.

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