Category

Relational model

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relational database

digital database whose organization is based on the relational model of data

relational model

relational algebra

family of algebras used for modelling the data stored in relational databases, and defining queries on it

relational database management system

DBMS that is based on the relational model

Codd's 12 rules

Relational database design

single, implicitly structured data item in a table in a relational database; every row in a table has the same structure (set of columns)

database schema

visual representation of database system relationships

set of columns in a relational database

Query by Example

devised by Moshé M. Zloof at IBM Research during the mid-1970s

materialized view

database object that contains the results of a query

concept in relational database theory

relational calculus

theory of relational databases

a type of item in a relational database, in computing

numerical relationship among rows in different tables

object-relational impedance mismatch

set of conceptual and technical difficulties