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Data Base Management by Mind Map: Data Base Management
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Data Base Management

Databases, Data, and Information

Collection of data organized in a manner that allows access, retrieval, and use of that data

Collection of unprocessed items Text Numbers Images Audio Video

The Hierarchy of Data

Data is organized in layers

Common data types include

Maintaining Data

File maintenance refers to the procedures that keep data current

Users add new records to a file when they obtain new data

Users modify a record to correct inaccurate data or update old data

File Processing Versus Databases

Each department has its own set of files

Used for many years

Programs and users share data

Database Management Systems

A data dictionary contains data about each file in the database and each field in those files

A DBMS provides several tools that allow users and programs to retrieve and maintain data in the database

Relational, Object‐Oriented, and Multidimensional Databases

A data model consists of rules and standards that define how the database organizes data

A relational database stores data in tables that consist of rows and columns

Web Databases

Databases on the Web allow you

Database Administration

It is important to have a carefully designed database

Employees should learn how to use the data in the database effectively