Declaring a Foreign Key : Create Foreign Key « Constraints « Oracle PL / SQL

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Oracle PL / SQL » Constraints » Create Foreign Key

Declaring a Foreign Key


  

SQL>

SQL>

SQL> CREATE TABLE myTable (myTableID INT PRIMARY KEY NOT NULL,

  2                       Name VARCHAR(50));



Table created.



SQL>

SQL> CREATE TABLE Phone (

  2     PhoneID INT PRIMARY KEY NOT NULL,

  3     myTableID INT,

  4     PhoneNo VARCHAR(20),

  5     CONSTRAINT FID_FK FOREIGN KEY(myTableID)

  6        REFERENCES myTable(myTableID));



Table created.

Related examples in the same category

1.	Create table with foreign key
2.	Create a foreign key with more than one field
3.	Referential Integrity Constraints
4.	Add constraint foreign key references
5.	Violate a foreign key

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