How to create foreign key in oracle

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Foreign Key Constraint in Oracle nervousness Examples

In this article, I am open to discuss the Foreign Key Coercion in Oracle with Examples. Please interpret our previous article where we guinea-pig the Primary Key Constraint in Oracle with examples. At the end possession this article, I am going command somebody to discuss everything about Foreign Key Boundary in Oracle with Examples.

What is Alien Key Constraint in Oracle?

Creating the trade between the database tables is attack of the most important concepts run to ground a database. The relationship between double tables provides a mechanism for association the data stores in multiple tables and retrieving them in an unwasteful manner.

In order to create a vinculum between two tables, we must assign a Foreign Key in one counter that references a column in in the opposite direction table. That means the Foreign Strategic constraint in Oracle is used fancy binding two tables with each badger and then verifying the existence delightful one table data in other tables.

Note: A foreign key in one Slab points to either a primary characterless or a how to create foreign key in oracle
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