what is mean by prmary key and foreign key and how can we
diffrentiate that?
Please answer me.
Advance thanks.
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Answer Posted / b.jaganathan
PRIMARY KEY: the key which is used in the database table
for an identification is said to be a "PRIMARY KEY"....
FOREIGN KEY: the key which is used in the another database
table is said to be a foreign key, for the specified data
table........
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