Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Database Design and Management
Relational Database Assignment
Consider the following relational database of a college. Student(RollNumber, StudentName, Address) Teachers(TeacherID, TeacherName, TeachingSubject) College(RollNumber, TeacherlD)
SQL Expressions1. Find the name of Students who live in Kutus2. Find the name of the teacher who teaches Database Management System subject3. Find the name of the teacher who teaches Computer Organisation subject to John Ruto4. Delete records of students whose address is 'Embu".
Queriesπ represents the projection operation, σ represents the selection operation, and ∪ represents the union operation. The join operation (?) is used to combine data from different tables based on a common attribute.1. π(StudentName)(σ(Address='Kutus')(Student)) 2. π(TeacherName)(σ(TeachingSubject='Database Management System')(Teachers))3. π(TeacherName)(σ(TeachingSubject='Computer Organisation' AND StudentName='John Ruto')(Teachers ?(TeacherID=TeacherID)? Students))4. Teachers := Teachers ∪ {(-T07", -Wish", "C-4-s")}5. Student := σ(Address<>'Embu')(Student)
Create this form to search for the title of a video. Create the necessary Video table (with about 5 or 6 records in the interest of time) with the fields shown. Use any images you can find.
Describe the situation. Your description should be brief and relatively informal. If there are any unique or particularly difficult aspects of your proposed application
To develop an ER diagram from a provided scenario. To create normalised relations of the data. To create a Database Schema.
The purpose of the sales and book tracking system is to provide a single central repository of all information about sales leads, books in process, and books for sale. The Sales Department will enter new authors to the system as they gather leads ..
Implement (write and test code) a set of classes for a firm. The firm has three kinds of employees. All employees have the following information need to be recorded name, SSN, title, base salary.
How do you access the Access Options dialog box? In which section of the Access Options can you access Navigation Options? In which type of scenario would you place two criteria in different rows in the Query design grid?
Big Data brought its own challenges to the field of databases. What are these challenges, and how does the emerging NoSQL model address these challenges?The different NoSQL technologies were created to meet different needs.
ER diagram, relational model and associated business rules and assumptions - SQL queries to provide business insights
Write a script that creates a cursor for a result set that consists of the ProductName and ListPrice columns for each product with a list price that's greater than $700.
Suppose you are tasked with finding common data elements amongst various data sets. Specify how an INTERSECT operator may assist you in accomplishing this task.
Given the following EER diagram of the Museum Database.
List the courses (D-code and C-no), along with the names of the students who are currently taking them. List all the courses (D-code and C-no) that John (i.e., S-Name=''John'') got '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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd