Computer Science, asked by masterchefstirl6211, 9 months ago

What are the foreign key Integrity Constraints? Explain.

Answers

Answered by boopathymenaka
0

Answer:

Alter table

Explanation:

it specifies only the values contain in primary key , it also joins the data of two keys

Answered by neetugoel798
2

Answer:

Foreign Key Constraints

A foreign key constraint is the main mechanism used to enforce referential integrity between tables in a relational database. A columndefined as a foreign key is used to reference a column defined as a primary key in another table.

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