PPT: Database Management System Database Notes | EduRev

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Database : PPT: Database Management System Database Notes | EduRev

 Page 1


DATA BASE 
   This Is About Managing and structuring the 
collections of data held on computers. A 
database consists of an organized collection 
of data for one or more uses, typically in 
digital form. Database involves the type of 
their contents. 
    Eg:- bibliographic, document - text, 
statistical. 
Copyright @ www.bcanotes.com 
Page 2


DATA BASE 
   This Is About Managing and structuring the 
collections of data held on computers. A 
database consists of an organized collection 
of data for one or more uses, typically in 
digital form. Database involves the type of 
their contents. 
    Eg:- bibliographic, document - text, 
statistical. 
Copyright @ www.bcanotes.com 
Project database 
Central 
database 
 
User 
DB 1 
User 
DB 2 
User 
DB 43 
user 
DB 4 
Copyright @ www.bcanotes.com 
Page 3


DATA BASE 
   This Is About Managing and structuring the 
collections of data held on computers. A 
database consists of an organized collection 
of data for one or more uses, typically in 
digital form. Database involves the type of 
their contents. 
    Eg:- bibliographic, document - text, 
statistical. 
Copyright @ www.bcanotes.com 
Project database 
Central 
database 
 
User 
DB 1 
User 
DB 2 
User 
DB 43 
user 
DB 4 
Copyright @ www.bcanotes.com 
Architecture 
   Database architecture consists of there 
levels external, conceptual and internal. 
Clearly separating the three levels was a 
major feature of the relational database 
model that dominates 21
st
 century database.  
Copyright @ www.bcanotes.com 
Page 4


DATA BASE 
   This Is About Managing and structuring the 
collections of data held on computers. A 
database consists of an organized collection 
of data for one or more uses, typically in 
digital form. Database involves the type of 
their contents. 
    Eg:- bibliographic, document - text, 
statistical. 
Copyright @ www.bcanotes.com 
Project database 
Central 
database 
 
User 
DB 1 
User 
DB 2 
User 
DB 43 
user 
DB 4 
Copyright @ www.bcanotes.com 
Architecture 
   Database architecture consists of there 
levels external, conceptual and internal. 
Clearly separating the three levels was a 
major feature of the relational database 
model that dominates 21
st
 century database.  
Copyright @ www.bcanotes.com 
Database Management System 
   A database management system(DBMS) 
consists of software  that operates databases, 
providing storage, access, security, backup and 
other facilities. Examples of some commonly 
used DBMS are My SQL, Postgre SQL, 
Microsoft access, SQL server, file maker, oracle, 
RDBMS and clipper etc. 
Copyright @ www.bcanotes.com 
Page 5


DATA BASE 
   This Is About Managing and structuring the 
collections of data held on computers. A 
database consists of an organized collection 
of data for one or more uses, typically in 
digital form. Database involves the type of 
their contents. 
    Eg:- bibliographic, document - text, 
statistical. 
Copyright @ www.bcanotes.com 
Project database 
Central 
database 
 
User 
DB 1 
User 
DB 2 
User 
DB 43 
user 
DB 4 
Copyright @ www.bcanotes.com 
Architecture 
   Database architecture consists of there 
levels external, conceptual and internal. 
Clearly separating the three levels was a 
major feature of the relational database 
model that dominates 21
st
 century database.  
Copyright @ www.bcanotes.com 
Database Management System 
   A database management system(DBMS) 
consists of software  that operates databases, 
providing storage, access, security, backup and 
other facilities. Examples of some commonly 
used DBMS are My SQL, Postgre SQL, 
Microsoft access, SQL server, file maker, oracle, 
RDBMS and clipper etc. 
Copyright @ www.bcanotes.com 
Components of DBMS 
   Most DBMS as of 2009 implement a relational model. Other 
DBMS system , such as object DBMS, offer specific feature for 
more specialized requirements. Their components are similar, 
but not identical. 
Copyright @ www.bcanotes.com 
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