For institution of any data into the foreign key column that data must be present in table that foreign key point to (SQL FOREIGN KEY ConstraintSuppose we have 2 tables somebody and as given belowpelvic insurgent disease Last_Name First_Name Address City1 Waugh Steve Timoteivn 10 Sandnes2 Jordan Michal Borgvn 23 Sandnes3 Seles Monica Storgt 20 Stavanger OID _No PID1 67567 32 34543 33 78675 14 78767 1In above tables , the PID column in the table points to the PID column in the Person table . The PID column in the Persons table is the primary key in the Person table further is foreign key in table . The SQL for Person table and table leave alone be written asCREATE TABLE Person (PID int NOT energy PRIMARY KEYLast_Name varchar (25 ) NOT NULLFirst_Name varchar (25Ad dress varchar (50City varchar...If you want ! to exhaust a rich essay, order it on our website: OrderCustomPaper.com
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