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!
The PROJECT operation
The project operation is used to choose the records with specified attributes as discarding the others based on some related criteria. This is denotes as ∏
(Relation) Example:
Consider the relation PERSON. If you want to display only the names of persons then the project operation will be used as follows:
Π Name (PERSON)
The resultant relation will be as follows:
NAME
Sanjay Prasad
Sharad Gupta
Vibhu Datt
Note: -
1) Π ( Π (R))= Π (R)
As long as have attributes in .
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
What is Disadvantages Of DBMS ? 1. Cost of Software and Hardware and Migration - A important disadvantage of the DBMS system is cost. 2. Reduced Response and Throughpu
Explain five duties of Database Administrator? 1. DBA administers the three stages of the database and, in consultation along with the whole user community, sets up an defin
Write an sql statement to find what is the percentage of home policies which are from the state of Arizona out of all Home policies by Policy Value.
Event Occurrence of a process is called event. In other words, the object can receive many input instructions. The changes which occur due to these instructions are known as e
The scenario You have been approached to design and implement a prototype of a distributed information system for a national car part retail outlet chain. The company comprises
Examine about the Behavioural Diagrams The main objective of behavioural diagrams is to visualize, specify, construct and document dynamic aspects of a system. The interactio
what is view?explain
how draw er diagram
milestone assignment
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