What is the difference between a primary key and a secondary key?
Correct Answer:
Verified
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q60: A primary key is one of the
Q61: Give two examples of primary keys that
Q62: An update anomaly occurs when the entire
Q63: A master file contains information used to
Q64: Entity integrity constraints are rules that govern
Q66: Master files contain all the information about
Q67: In database literature, the views are referred
Q68: Each separate data entity should create its
Q69: In relational structures, a file is called
Q70: List and describe the four anomalies that
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents