Instructions: Based from the given data dictionary below, answer the following questions: DATABASE NAME: ENROLLMENT TABLE NAME ATTRIBUTE NAME CONTENTS REQUIRED FIELD PK or FK STUD_NUM STUD_FNAME STUD LNAME DATA TYPΕ CHAR(13) VARCHAR(50) VARCHAR(50) YEAR(4) STUDENT Student's ID Number Y PK Student's First Name Y Student's Last Name Y YR_ADMIT Year Admitted Y COURSE COURSE_ID PK CHAR(13) CHAR(15) Course ID Y COURSE_NAME Course Name in Abbreviated Form Y Course Major (if any) Subject _ID Subject Name Subject Units COURSE MAJOR CHAR(40) N SUBJ_ID CHAR(15) VARCHAR(60) SUBJECT Y PK SUBJ_NAME Y SUBJ UNITS CHAR(6) Y 1. How many entities are there within the entire database? 2. How many attributes are there for each entity? 3. Give at least four (4) constraint within each of the entities.
Instructions: Based from the given data dictionary below, answer the following questions: DATABASE NAME: ENROLLMENT TABLE NAME ATTRIBUTE NAME CONTENTS REQUIRED FIELD PK or FK STUD_NUM STUD_FNAME STUD LNAME DATA TYPΕ CHAR(13) VARCHAR(50) VARCHAR(50) YEAR(4) STUDENT Student's ID Number Y PK Student's First Name Y Student's Last Name Y YR_ADMIT Year Admitted Y COURSE COURSE_ID PK CHAR(13) CHAR(15) Course ID Y COURSE_NAME Course Name in Abbreviated Form Y Course Major (if any) Subject _ID Subject Name Subject Units COURSE MAJOR CHAR(40) N SUBJ_ID CHAR(15) VARCHAR(60) SUBJECT Y PK SUBJ_NAME Y SUBJ UNITS CHAR(6) Y 1. How many entities are there within the entire database? 2. How many attributes are there for each entity? 3. Give at least four (4) constraint within each of the entities.
Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter7: Introduction To Structured Query Language (sql)
Section: Chapter Questions
Problem 97C: The following tables provide a very small portion of the data that will be kept in the database....
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