Relational algebraic operators, Database Management System

Assignment Help:

Problem

Explain at least five relational algebraic operators with a suitable example.

Note: All the above descriptions should be done by taking at least two examples from outside (Other than the text book examples)

Explanation of at least five relational algebraic operators with a suitable example(taken outside from textbook)

Related Discussions:- Relational algebraic operators

What are the dbms languages, What are the DBMS languages? Explain. Ans...

What are the DBMS languages? Explain. Ans: a) Data Definition Languages (DDL): It is employed to specify database schema for example CREATE DROP statements etc. b) Dat

Fragmentation, let us consider a table having 2200 records and the fixed si...

let us consider a table having 2200 records and the fixed size of the table to be considered as 25.then how many numbers of table is requredto perform horizontal fragmentation

What is the candidate key for a table with columns, For problems 1-4, give ...

For problems 1-4, give all candidate keys for the tables with FDs specified. Composite candidate keys must be put in parentheses, and candidate keys must be separated with commas

When are two schedules said to be view equivalent, When are two schedules s...

When are two schedules said to be view equivalent? Ans: Two schedules that is denoted as S and S' are said to be view equivalent if the subsequent three conditions are met

Greater potential for bugs and increased processing overhead, Greater poten...

Greater potential for bugs: Since the sites of a distributed system operate simultaneously, it is more complex to ensure the correctness of algorithms. The art of constructing dis

Information system fundamentals, A full discription of the new, a discripti...

A full discription of the new, a discription of its components, and the bebefit it will provide a company. A disscussion of the information usedin the system. A disscussion of any

Explain what is aggregation, Explain what is Aggregation ? Aggregation...

Explain what is Aggregation ? Aggregation: This is used whenever we intend to show a relationship between an entity and the relationship. There is no provision for this in th

Explain query tree represent relational algebra expression, How does a quer...

How does a query tree represent a relational algebra expression? Ans: This includes transforming an initial expression (tree) into an equivalent expression (tree) that is

What is bankers algorithm, What is banker's algorithm? Banker's algori...

What is banker's algorithm? Banker's algorithm is a deadlock avoidance algorithm that is applicable to a resource-allocation system with multiple instances of each resource ty

Self-join, Self-Join: In a self join a table is joined with itself. Let ...

Self-Join: In a self join a table is joined with itself. Let consider the following sample partial data of EMP table EMPNO ENAME MGRID

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages