What is a Database and DBMS? What is Spatial Database? (Especially for GATE-Geospatial 2022)

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Database

A Database may contain different levels of abstraction in its architecture. The three levels: external, conceptual, and internal make up the database architecture.

External level defines how the users view the data. A single database can have multiple views.

The internal level defines how the data is physically stored.

The conceptual level is the communication medium between internal and external levels. It provides a unique view of the database regardless of how it is stored or viewed.

There are several types of database such as Analytical database, Data warehouses and Distributed databases.

This Diagram Shows Severla Types of Database

DBMS

DBMS, sometimes just called a database manager, is a collection of computer programs that is dedicated for the management of all databases that are installed in a system. There are different types of Database Management Systems existing in the world, and some of them are designed for the proper management of databases configured for specific purposes.

The modeling language, data structures, query language and mechanism for transactions. Currently several popular approaches like hierarchal, network, relational and object are in practice. Data structures help organize the data such as individual records, files, fields and their definitions and objects such as visual media.

This Image Shows Database Application Program

Computer program that allows users to interact with the Database through DBMS

Spatial Database

A database is a collection of related information that permits the entry, storage, input, output, and organization of data. A database management system (DBMS) serves as an interface between users and their database.

Illustration 2 for Spatial_Database

A spatial database includes location. It has geometry as points, lines, and polygons.

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