Database Management Basics

by Kurt Johnson

Database management is a system of coordinating the information that is used to support a company’s business operations. It includes data storage, distributing it to application programs and users making changes as needed and monitoring the changes in the data and preventing it from becoming damaged by unexpected failures. It is part of the informational infrastructure of a company that aids in decision-making as well as corporate growth and compliance with laws like the GDPR and California Consumer Privacy Act.

The first database systems were created in the 1960s by Charles Bachman, IBM and others. They evolved into information management systems (IMS), which allowed large amounts of data to be stored and retrieved for a variety of purposes. From calculating inventory, to aiding complicated 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 permit cross-references between tables. Each table contains a number of fields, also known as attributes, that contain information about the data entities. Relational models, which were developed by E. F. “TedCodd Codd in the 1970s at IBM as a database, are the most widely used type of database today. This model is based on normalizing data to make it more user-friendly. It is also simpler to update data since it doesn’t require changing certain sections of the database.

Most DBMSs can support multiple types of databases by providing different kvpcon.com internal and external levels of organization. The internal level is concerned with cost, scalability and other operational issues, such as the layout of the physical storage. The external level focuses on how the database is represented in user interfaces and other applications. It may include a mix of different external views (based on different data models) and may include virtual tables that are created from data that is generic to enhance performance.

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