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!
Example:
Consider the following relations:
ROLLNO
NAME
ADDRESS
COURSE_ID
100
Kanupriya
234, Saraswati Vihar.
CS1
101
Rajni Bala
120, Vasant Kunj
CS2
102
Arpita Gupta
75, SRM Apartments.
CS4
STUDENT
Course
COURSE ID
COURSE_NAME
DURATION
BCA
3yrs
MCA
CS3
M.Sc.
2yrs
B.Sc.
CS5
MBA
If we want to show name of all the students with their course details then natural join is used in the following method:
STUDENT COURSE
Resultant relation will be as follows:
If R2 R3= R1 ÷ R2 If R2 R3= R1 ÷ R2
Student
234, Saraswati
Vihar.
Arpita
Gupta
75, SRM
Apartments.
There are some other types of joins like outer joins.
What is normalization? It is a method of analysing the given relation schemas based on their Functional Dependencies (FDs) and primary key to attain the properties (1).Minim
folding method and mid square method using visual basic
In this practical assignment, we will run through a complete database application development cycle, starting with the schema design, from an initial data import to database applic
Limitations of File Based System The file-based system has some limitations. The limitations are listed as follows: Isolation and separation of data: When the data is
Discuss the term- Design Optimization We have seen various ways of representing the objects.The fundamental design model uses analysis model as the framework for implementati
construct an er diagram for a hospital with a set of patients and a set of medical doctors. associate with each patient a log of various test and examination conducted.convert er d
List two restrictions that are applied on the modification (updation, insertion or deletion) of base tables through view. Ans: The two restrictions are: 1. If a view
aggregation
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
Example RELATION SCHEMA for STUDENT: STUDENT (Roll No: string, name: string, login: string, age: integer) RELATION INSTANCE
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: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd