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Mention various steps required to draw an E-R Diagram. Draw an E-R Diagram for Student Information System. Mention all suitable assumptions to justify your answer.
Create use case to describe a typical sales process. Then make a sequence diagram for use case.
Prepare the relational schema for database
Explain the concept of physical data independence and its importance in database systems, List four significant differences between a file-processing system and a DBMS.
Write the name(s) of employee(s) who works(work) on every project located in Houston. Write the name(s) of employee(s) who only works(work) on every project located in 'Houston.'
Assume that 30% of science students are majoring in biology. Would you consider to be novel with respect to rule? Describe. Calculate confidence and support of rule.
Design a DSS to help decision-makers run the 2012 London Olympics-Write down the step-by-step solution to train the classifier by the basic perceptron learning rule.
Sketch an E-R diagram which reflects the above reuirements. Write a set of relational schemas and identify primary and foreign keys. Try not to include redundant schemas.
Find the average number of books borrowed per member. Take into account that if a member does not borrow any books, then that member does not appear in the borrowed relation at all.
You have been asked to design database design for BoingX Aircraft Company (BAC), that has two products: TRX-5A and TRX-5B HUD (heads-up display) units.
Describe how to create a query in Access Query Wizard equilvant to the query: SELECT first, last, department, hours FROM payroll WHERE hours>.
Design a nested menus interface for a check-in and check-out hotel reservation system that can be used internationally.
Database Modeling and Design: A complete table diagram. Transform model to tables, include all attributes and keys.
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