A database is a collection of logically related data. Common operations on a database include inserting, retrieving, updating, and deleting records. There are several types of databases including flat-file, relational, hierarchical, and network databases. A database management system (DBMS) is a collection of programs used to create, maintain and access databases. It includes utilities to process, maintain, backup and recover data. Structured Query Language (SQL) is commonly used with DBMS to create, retrieve, update and delete records from databases.

3. A collection of logically related data is called
database.
e.g. student’s record, personal address book e.t.c

4. • Inserting new records in to the database.
• Retrieving the records from database.
• Deleting the records from database.
• Updating the existing data.
• Adding new files to database. e.t.c.

5. • A 'flat-file' database is one that only contains a single table of
data.

6. • A 'relational' database is one that contains
two or more tables of data, connected by
links called relationships

7. • In this type of database, records are arranged in a hierarchy
like an organizational chart. Each record type is called node or
segment. The term parent and child are often used in
describing a hierarchical model.
• A node have any number of children but each child node may
have only one parent node.

8. • The network model is similar to hieratical model but it has
one difference. The difference is that the child note may have
any number of parent nodes.

9. • It is short form of database management
system.
• It is collection of programs that are use to
create, maintain, and access database is called
DBMS.
• The major component of DBMS is database
manager, which controls the working of
overall database management system.

10. It is a file that contains the database definitions
or description of the structure of data used in
database.
DBMS provides software known as utilities
programs, used to process, maintain, backup
and recovery of data.

11. There are different languages. mostly
SQL(structured query language) is used.
SQL is used
1. To create tables and modify their structures.
2. To retrieve selected records.
3. To update records.
4. Enter new record.
5. To delete selected record.

12. By using this feature the database can be
protected from unauthorized access.
This feature allows to backup important data
and recovery of it.

13. • DBMS
• Access (Jet, MSDE)
• Adabas D
• Adaptive Server Anywhere
• Adaptive Server Enterprise
• Advantage Database Server
• Datacom
• DB2 Everyplace
• Filemaker
• IDMS
• Ingres ii
• Interbase
• MySQL
• NonStop SQL
• Pervasive.SQL 2000 (Btrieve)
• Pervasive.SQL Workgroup
• Progress
• Quadbase SQL Server
• R:Base
• VENDOR
• Microsoft
• Software AG
• Sybase
• Sybase
• Extended Systems
• Computer Associates
• IBM
• FileMaker Inc.
• Computer Associates
• Computer Associates
• Inprise (Borland)
• Freeware
• Tandem
• Pervasive Software
• Pervasive Software
• Progress Software
• Quadbase Systems, Inc.
• R:Base Technologies
• Oracle