DBMS Basic
Concepts
,Introduction To Databases :
Purpose Of Database Systems,
Components Of Dbms,
Applications Of Dbms,
Three Tier Dbms Architecture,
Data Independence,
Database Schema,
Instance,
Data Modeling,
Entity Relationship Model,
Relational Model
, Data: It is a collection of information.
Database: It is a collection of interrelated data
Database System: It is computerized system, whose overall purpose is to maintain
the information and to make that the information is available on demand.
Database Management System (DBMS): It is a collection of programs that enables
user to create and maintain a database.
, DBMS
Database Management System
• Term Database requires understanding of data and information
•Data: It can be anything like name, place or number, etc. Data usually
refers to raw data, or unprocessed data.
•Information: It is organized or classified data so that it has some
meaningful values to the receiver.
– Information is the processed data on which decisions and actions
are based.
Concepts
,Introduction To Databases :
Purpose Of Database Systems,
Components Of Dbms,
Applications Of Dbms,
Three Tier Dbms Architecture,
Data Independence,
Database Schema,
Instance,
Data Modeling,
Entity Relationship Model,
Relational Model
, Data: It is a collection of information.
Database: It is a collection of interrelated data
Database System: It is computerized system, whose overall purpose is to maintain
the information and to make that the information is available on demand.
Database Management System (DBMS): It is a collection of programs that enables
user to create and maintain a database.
, DBMS
Database Management System
• Term Database requires understanding of data and information
•Data: It can be anything like name, place or number, etc. Data usually
refers to raw data, or unprocessed data.
•Information: It is organized or classified data so that it has some
meaningful values to the receiver.
– Information is the processed data on which decisions and actions
are based.
