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Database Management by Mind Map: Database Management
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Database Management

Data

Hierarchy

Character

Field, Field name, Field size, Data type

Record, Primary key

Data file

Maintaining Data

File maintenance, Adding records, Modifying records, Deleting records

Validation, Alphabetic/Numeric Check, Range check, Consistency check, Completeness check, Check digit, Other checks

Database Management Systems

Data dictionary

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

Query language

Form

is a window on the screen that provides areas for entering or modifying data in a database

Report generator

Relational, Object-Oriented, and Multidimensional Databases

Data model

Relational database

stores data in tables

Relationship

Structured Query Language (SQL)

a query language that allows users to manage, update, and retrieve data

Object-oriented database (OODB)

stores data in objects

Multidimensional database

Sometimes known as a hypercube

Can consolidate data much faster than a relational database

Data warehouse

is a huge database that stores and manages the data required to analyze historical and current transactions