A database administrator (DBA) controls and
manages the database.
Function of a DBA
¡Make decisions concerning
the content of the database
¡Plan storage structures and
access strategies.
¡Provides support to users
¡Defines security and
integrity checks
¡Interprets backup and
recovery strategies.
TYPES OF DATABASES
¡Flat Databases
¡Hierarchical Database
¡Network Database
¡Relational Database
FLAT DATABASES
¡A single kind of record with a fixed number
of fields.
¡A way of organizing all information in a
single table.
¡Suitable for extremely simple databases.
¡Inherit data redundancy
FLAT DATABASES
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