Examlex
By authority, the authors mean
Query Language
A computer language used to make queries or requests for data within databases and information systems.
SQL
Stands for Structured Query Language, a standardized programming language used for managing and manipulating relational databases.
Cardinality
In database design, it refers to the uniqueness of data values contained in a particular column (attribute) of a database table.
Entity
A thing with distinct and independent existence, often used to refer to businesses, organizations, or complex individuals.
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