Write a script that creates and calls a function named fnStudentUnits that calculates the total course units of a student in the StudentCourses table. To do that, this function should accept one parameter for the student ID, and it should return the sum of the course units for the student.The SELECT statement that calls the function should return the StudentID from the StudentCourses table, the CourseNumber and CourseUnits from the Courses table, and the value return by the fnStudentUnits function for that student.

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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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Write a script that creates and calls a function named fnStudentUnits that calculates the total course units of a student in the StudentCourses table. To do that, this function should accept one parameter for the student ID, and it should return the sum of the course units for the student.

The SELECT statement that calls the function should return the StudentID from the StudentCourses table, the CourseNumber and CourseUnits from the Courses table, and the value return by the fnStudentUnits function for that student.

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