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Describe the features of a Database Management System (DBMS) and its use within an organization. List major steps necessary for setting up a database for a particular enterprise. Describe the differences between a file-processing system and a database management system (DBMS). Explain different types of information system architecture. Describe different types database applications and when it is appropriate to use them. Explain the evolution of the DBMS models and implementations from file based systems to legacy products to current technologies such as relational models.
Compare the two non-sequential file structure models. What advantages does the first one have over the second and what advantages does the second have over the first?
Describe how you would implement relationship between employees and projects in each of the given scenarios: Many employees can work on given project, but each employee can work on only single project.
our current database uses dictionary-managed tablespaces. In running various performance tuning scripts, you have discovered that one of these tablespaces seems to have run out of space long before you calculated that it would.
Select an appropriate statistical measure to compare consistency of sales. Make the calculations and write a report. In your calculations, include the mean sales for each salesperson.
A university library database records information about books; for each book, it records the book isbn number (which is unique), and the book name. In addition, it records which books have been checked out
Explain the conceptual model employed in the design of these types. Describe the analogies and concepts these monitors expose to users, including the task-domain objects users manipulate on the screen.
A database is to be created for University to monitor students' progress throughout their course of study. Students are reading for degree (such as BTech, BTech(Hons) MCA, etc) within framework of modular system.
Suppose we are to design a registrar's database to store information about students, courses, the courses students have taken. Convert the E/R diagram into a relational schema.
Create the DigitalX database. Design tables and relationships and ensure that email addresses may only be used once in the database.
Draw an Entity Relationship diagram for the system and Identify the table design for the database displaying all the fields/attributes. Ensure that all tables are in 3NF. You also need to identify the primary keys and foreign keys, where applicable..
Design a database for Ray. For each director, list his or her number and name and the year he or she was born. If the director is deceased, list the year of death.
Point out the changes you require to make to Premiere Products database to support following situation: A customer is not necessarily represented by a single sales rep but can be represented by several reps.
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