What are the three main categories of databases?

What are 3 types of databases?

What are the types of databases?Relational databases. Relational databases have been around since the 1970s. ... NoSQL databases. ... Cloud databases. ... Columnar databases. ... Wide column databases. ... Object-oriented databases. ... Key-value databases. ... Hierarchical databases.The Types of Databases (with Examples) - Matillion

What are the major database categories?

Four types of database management systemshierarchical database systems.network database systems.object-oriented database systems.Types of database system | nibusinessinfo.co.uk

What are the 3 database components?

Components of a DatabaseHardware. Hardware refers to the physical, electronic devices such as computers and hard disks that offer the interface between computers and real-world systems.Software. ... Data. ... Procedures. ... Database Access Language.Database - Overview, Roles and Components, DBMS - Corporate ...

What are the 3 main functions of a database?

Backup and recovery: processes to back-up the data regularly and recover data if a problem occurs. Integrity: database structure and rules improve the integrity of the data. Data descriptions: a data dictionary provides a description of the data.