Database Management Basics

18-05-2023 | Property Development

Database management is the process to manage information that is essential to the business operations of an organization. It involves storing data, disseminating it to users and applications making edits as needed and monitoring changes to the data and protecting against data corruption due to unexpected failure. It’s a component of an organization’s overall informational infrastructure that aids in decision-making and corporate growth, as well as compliance with laws like the GDPR and the California Consumer Privacy Act.

The first database systems were invented in the 1960s by Charles Bachman, IBM and others. They developed into information management systems (IMS), which allowed huge amounts of data to be stored and retrieved for a range of reasons. From calculating inventory to supporting complex financial accounting functions and human resource functions.

A database is a collection of tables which organize data according to an established pattern, such as one-to many relationships It utilizes primary keys to identify records and allow cross-references between tables. Each table has a variety of fields, referred to as attributes, that contain information about the data entities. The most popular type of database today is a relational model designed by E. F. “Ted” Codd at IBM in the 1970s. The design is based on normalizing the data, making it more easy to use. It also makes it simpler to update data without the need to modify many sections of the database.

The majority of DBMSs support a variety of databases, offering internal and external levels of organization. The internal level is focused on cost, scalability, and other operational issues, including the physical layout of the database. The external level is the representation of the database on user interfaces and applications. It could comprise a combination of various external views (based on different data models) and may also include virtual tables which are generated from generic data in order to improve performance.


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