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Primary key in SQL , Foreign key in SQL

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Jun 21, 2016
7:26

The queries used in the tutorial are given below: CREATE TABLE Employee( EmpId INT PRIMARY KEY, EmpName varchar(25), EmpAddr varchar(50) ) INSERT INTO Employee VALUES (1,'Alex','SCO 1 Link Road') INSERT INTO Employee VALUES (2,'Carol','SCO 2 Link Road') INSERT INTO Employee VALUES (3,'Ross','SCO 3 Link Road') INSERT INTO Employee VALUES (3,'Ross','SCO 3 Link Road') SELECT * FROM EMPLOYEE CREATE TABLE DEPARTMENT ( DepID INT Primary key, Depname Varchar(50), EmpID INT REFERENCES EMPLOYEE(EmpID)) INSERT INTO DEPARTMENT VALUES (201,'Mechanical',4) SELECT * FROM DEPARTMENT

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Primary key in SQL , Foreign key in SQL | NatokHD