What is DBMS? 1. This relational schema models a company schema with departments, employees, and locations. Primary keys are underlined and foreign keys are indicated below each relation. department(dno, dname, mgr How to create a table in MySQL If ...
What are primary keys in accounting databases, and what purpose do they serve? Explain the terms primary key, candidate key, and foreign key. Give an example for each. What are the main constraints when a relational database model is being logically designed? Explain yo...
Describe the functions provided by a relational database that could be used to record courses taken by university students in order to manage scheduling and preparing transcripts. What function does an attribute of an entity perform in a DBMS?...
(a) What is a multivalued dependency in DBMS? (b) Give an example. In java, under what circumstances should an interface be used instead of an abstract class? What is an example of ambiguous grammar? The point of this exercise is to define multiple classes via inheritance. The classes ...
Data Information Knowledge Data Information Knowledge in IS Answer and Explanation: Value of Knowledge in IS: In an Information system, the components Data, Information, and knowledge are connected with each other. Data represents... Learn more about this topic: ...
Describe at least three functions that a Database Management System (DBMS) performs to help create an accurate and consistent view of data throughout an enterprise. Explain how an organization can ensure its information systems are designed to ...
3) In the PLM the response probability is a linear in a set How can you define the concept of attitudes in consumer behavior? State and explain its functions. Describe at least three functions that a Database Management System (DBMS) performs to help create an accurat...
Describe five components of the DBMS environment and discuss how they relate to each other. Explain the function of the page map table in the memory allocation schemes. Explain your answer with examples from the schemes that use a PMT. Describe four of the five pha...