Question: Describe the purpose of the primary and foreign keys
Describe the purpose of the primary and foreign keys.
Answer to relevant QuestionsName three ways that null values in a database can be interpreted. Why is this problematic? What is the difference between interfile and intrafile clustering? Why are they used? Jim Smith's dealership sells Fords, Hondas, and Toyotas. The dealership keeps information about each car manufacturer with whom it deals so that employees can get in touch with manufacturers easily. The dealership staff also ...My first programming job in 1977 was to convert a set of application systems from one version of COBOL to another version of COBOL for the government of Prince Edward Island. The testing approach was to first run a set of ...What is the primary goal of unit testing?
Post your question