Assume a university database's student table has indexes on StudentID (the main key) and Major, Age, MaritalStatus, and HomeZipCode (all secondary keys). Assume the university required a list of students majoring in MIS or computer science who were above the age of 25, married, and from the 45462 zip code OR students majoring in computer engineering who were single and from the 45462 zip code. How can indexes be utilised to ensure that only records that meet this criteria are accessed?
Assume a university database's student table has indexes on StudentID (the main key) and Major, Age, MaritalStatus, and HomeZipCode (all secondary keys). Assume the university required a list of students majoring in MIS or computer science who were above the age of 25, married, and from the 45462 zip code OR students majoring in computer engineering who were single and from the 45462 zip code. How can indexes be utilised to ensure that only records that meet this criteria are accessed?
Chapter2: Database Design Fundamentals
Section: Chapter Questions
Problem 5TD
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