Articles in this category What is a relational database? A database structured to recognize relations among stored items of information. What is a column-family store? A NoSQL database that stores data in columns rather than rows. What is a key-value store? A simple database that uses an associative array (key-value pairs) as the data model. What is a graph database? A database that uses graph structures for semantic queries, with nodes, edges, and properties. What is a distributed database? A database in which data is stored across different physical locations. Database What is a database? A structured set of data held in a computer, especially one that is accessible in various ways. What is a NoSQL database? A non-relational database designed for storing and retrieving unstructured data. What is a synthetic database? A database that contains artificially generated data used for testing and development. What is an object-oriented database? A database that stores data in the form of objects, as used in object-oriented programming. What is a fault-tolerant database? A database designed to continue operating properly even in the event of certain types of failures What is MySQL? An open-source relational database management system based on SQL. What is a relational database? A database structured to recognize relations among stored items of information. What is SQL? Structured Query Language, a standard programming language for managing and manipulating databases. What is a database? A structured set of data held in a computer, especially one that is accessible in various ways.