database and database types
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This document defines different types of databases and provides examples of each. It discusses operational databases, which allow real-time data modification; graph databases, which use graph structures to represent data; relational databases, which organize data into formally described tables; object-oriented databases, which represent data as objects; embedded databases, which are tightly integrated with applications; flat files, which contain a single database table; and provides examples of each. The document is intended to provide an overview of common database types for trainees as part of a mentoring program.
database and database types
- 3. Disclaimer: This presentation is prepared by trainees of baabtra as a part of mentoring program. This is not official document of baabtra –Mentoring Partner Baabtra-Mentoring Partner is the mentoring division of baabte System Technologies Pvt . Ltd
- 4. Database Definition A database is an application that manages data and allows fast storage and retrieval of that data.
- 5. Different Types of Database • operational databases • Graph databases • Relational database • Object oriented database • Embedded database • Flat files
- 6. Operational database Operational database management systems (also referred to as OLTP On Line Transaction Processing databases), are used to manage dynamic data in real-time. These types of databases allow you to do more than simply view archived data. Operational databases allow you to modify that data (add, change or delete data), doing it in real- time
- 7. Example For operational database • A company might have an operational database used to track warehouse/stock quantities. As customers order products from an online web store, an operational database can be used to keep track of how many items have been sold and when the company will need to reorder stock.
- 8. Example For operational database
- 9. Graph database • In computing, a graph database is a database that uses graph structures with nodes, edges, and properties to represent and store data.
- 10. • Nodes represent entities such as people, businesses, accounts, or any other item you might want to keep track of. • Edges are the lines that connect nodes to nodes or nodes to properties and they represent the relationship between the two • Most of the important information is really stored in the edges
- 11. Example
- 12. Relational database • A relational database is a collection of data items organized as a set of formally described tables from which data can be accessed or reassembled in many different ways without having to reorganize the database tables.
- 13. Example •
- 14. object-oriented database An object database (also object-oriented database management system) is a database management system in which information is represented in the form of objects as used in object-oriented programming
- 15. Example
- 16. Embedded database An embedded database system is a database management system (DBMS) which is tightly integrated with an application software that requires access to stored data, such that the database system is "hidden" from the application’s end-user and requires little or no ongoing maintenance. It is actually a broad technology category that includes
- 17. Example
- 18. • When an application accesses a Derby database using the Embedded Derby JDBC driver, the Derby engine does not run in a separate process, and there are no separate database processes to start up and shut down. Instead, the Derby database engine runs inside the same Java Virtual Machine (JVM) as the application
- 19. Flat files • A relatively simple database system in which each database is contained in a single table.
- 20. Example
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