relational database, Database Management System

Assignment Help:
Consider the following relational database:
STUDENT (name, student#, class, major)
COURSE (course name, course#, credit hours, department)
SECTION (section identifier, course#, semester, year, instructor)
GRADE_REPORT (student#, section identifier, grade)
PREREQUISITE (course#, presequisite#)
Specify the following queries in SQL on the above database schema
(i) Retrieve the names of all students majoring in ‘CS’ (Computer Science).
(ii) Retrieve the names of all courses taught by Professor King in 1998
(iii) Delete the record for the student whose name is ‘Smith’ and whose student
number is 17.
(iv) Insert a new course <’Knowledge Engineering’, ‘CS4390’, 3, ‘CS’>

Related Discussions:- relational database

Database, real life situations where database management system are most su...

real life situations where database management system are most suitable

Create table, What are the advantages of creating a table from existing tab...

What are the advantages of creating a table from existing table?

Write short notes on relational model, Write short notes on relational mode...

Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an ex

What is data integrity, What is data integrity? Ans: It is the data con...

What is data integrity? Ans: It is the data consisted of in database that is accurate and consistent.  (Data integrity means that the data should be valid as per to the give

What are the two integrity rules, What are the two integrity rules?  An...

What are the two integrity rules?  Ans:  The two integrity rules are: Entity Integrity Rule & Referential Integrity Rule.   Entity Integrity Rule - If the attribute A of rel

How relational calculus is different from relational algebra, How Relationa...

How Relational Calculus is different from Relational Algebra? What do understand by TRC queries and DRC queries?  Ans: Relational calculus contain two calculi, the tuple relati

Question, I want to buy this but I want to see a couple sample questions fi...

I want to buy this but I want to see a couple sample questions first. http://www.expertsmind.com/library/what-happens-to-rms-error-for-the-training-data-set-51564843.aspx

Serialisable schedules, Serialisable Schedules: If the processes of two tra...

Serialisable Schedules: If the processes of two transactions conflict with each other, how to verify that no concurrency related problems have happened? For this, serialisability t

When is update_statistics command used, When is UPDATE_STATISTICS command u...

When is UPDATE_STATISTICS command used? - When processing of large data is done, this command is used. - Whenever large number of modification, deletions or copy takes place

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd