Relational algebra operations in dbms | Projection Operation | DBMS | Lec-27 | Bhanu Priya

Data base management Systems ( DBMS )
relational algebra operations i.e projection
#dbms #dbmstutorials #dbmslectures #databasemanagementsystems #databasemanagementsystem #databasemanagement #computerscience #education #computerengineering #database #normalization
Class Notes ( pdf )
website : education4u.in/
Complete playlist : DBMS
• Database Management Sy...
Complete Playlist : DATA STRUCTURES ( DS )
• Data Structures (DS)
Complete Playlist : STLD
• STLD
Complete playlist : Design and Analysis of algorithms (DAA)
• Design and Analysis of...
Complete playlist : ARTIFICIAL INTELLIGENCE ( AI )
• Artificial Intelligenc...
Complete Playlist : OPERATING SYSTEM ( OS )
• Operating Systems ( OS )
Complete Playlist : SOFTWARE ENGINEERING ( SE )
• Software Engineering (SE)
Complete Playlist : OBJECT ORIENTED SOFTWARE ENGINEERING ( OOSE )
• Object Oriented Softwa...
Complete Playlist : Web Technology
• Web Technology ( WT )
Complete Playlist : Compiler Design ( CD )
• Compiler Design ( CD )
Complete Playlist : Mobile Computing
• Mobile Computing (MC)
Complete Playlist : CSS
• CSS tutorials
Complete Playlist : Cloud Computing ( CC )
• Cloud Computing ( CC )
Complete Playlist : Computer Graphics ( CG )
• Computer Graphics (CG)

[@sannyziemann5329]

Thanks a lot! I understands this more than my lecture xD

[@siyabongambuyisa4042]

I did not attend classes but came here

[@flyhigher5393]

Don't comfuse Selection =>Select the subsets rows of a coloumn(horizontal). Projection=> retainly only wanted column(vertical) So how can you combine rows and column if needed is projection?????

[@miniworldcreation7735]

Excellent explanation mam

[@EricNjuguna-h9m]

good content

[@parthasarathy7144]

Mam u said that projection eliminates duplicate rows but in the example John,hobby comes again how it is possible??

[@rajershimeesala2368]

their have diff hobbies

[@jeevansivanandan1387]

Awesome !!

[@siyabongambuyisa4042]

Is it possible to show duplicate values in projects or selects of relational algebra . An asking Bcz with SQL you can display duplicate values.

[@mehransadat7960]

Wonderful

[@amandadumont1270]

helpful thank you!

[@mayankdewangan1728]

thank u very much mam

[@chethanb6406]

are you from bangalore?

[@ManasHalder]

Please tell me the solution... STUDENT(S_name,S_id,class,stream) Query 1 using projection oeration: Select all the student name alphabetic order

[@onkarkashid2007]

Mam I think you are from banglore 😊

[@Mr_white1995]

Maam for column we use projections but hoby is an attribute so why you re using segma ...in sterad of projection

[@TheStaticBreakdown]

Thank you for the explanation ma'am.

[@abutalib1574]

i love u

[@areebansari5470]

Please improve your pronunciation