Most programming languages come with a library of functions that have already been written. These functions, known as library functions are built into the programming language, and you can call them any time you need them. Library functions make a programmer's job easier because they perform many of the tasks that programmers commonly need to perform. What does the random function do and how can it be used?

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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Most programming languages come with a library of functions that have already been written. These functions, known as library functions are built into the programming language, and you can call them any time you need them. Library functions make a programmer's job easier because they perform many of the tasks that programmers commonly need to perform. What does the random function do and how can it be used?

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