Data maintenance: Maintenance is the task concerned with keeping the data upto-date.
Data Verification: Before storing the data it must be verified for any error.
Data Coding: Data will be coded for easy reference.
Data Editing: Editing means re-arranging the data or modifying the data for
Data transcription: This is the activity where the data is converted from one form
Data transmission: This is a function where data is forwarded to the place where it
would be used further.
Metadata (meta data, or sometimes meta information) is "data about data", of any sort
in any media. An item of metadata may describe a collection of data including multiple
content items and hierarchical levels, for example a database schema. In data processing,
metadata is definitional data that provides information about or documentation of other
data managed within an application or environment. The term should be used with
caution as all data is about something, and is therefore metadata.
Database may be defined in simple terms as a collection of data
A database is a collection of related data.
The database can be of any size and of varying complexity.
A database may be generated and maintained manually or it may be computerized.
Database Management System
A Database Management System (DBMS) is a collection of program that enables
user to create and maintain a database.
The DBMS is hence a general purpose software system that facilitates the process
of defining constructing and manipulating database for various applications.