Database
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Foreign Key
Quick Definition
Field referencing primary key to establish table relationships
Full Definition
A field in one table that references the primary key of another table establishing a relationship between them.
Examples
referential integrity, JOIN operations, relational design
Related Terms
relational-database
primary-key
normalization
More Database Terms
Graph Database
Database optimized for entity relationship queries
DynamoDB
Fully managed serverless NoSQL database by AWS
Query Optimization
Improving query performance through various techniques
Normalization
Organizing tables to reduce redundancy and improve integrity
SQL
Standard language for managing and querying databases
Replication
Copying data between servers for redundancy