Databases - Implementation - 1 Flashcards
1
Q
What does SQL stand for?
A
Structured Query Language
2
Q
What is Referential Integrity?
A
- The accuracy and consistency of data within a relationship.
- Can be achieved by only allowing data that already exists as a PK value to be entered as a FK value in the related table.
3
Q
What is SQL used for?
A
Used to allow database developers to generate queries and interrogate the data held in a database.