Difference between Primary and Foreign Key in DBMS | Primary key and Foreign key in SQL
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In this video we shall discuss the Difference between Primary Key and Foreign Key in DBMS & Primary key and Foreign key in SQL, primary key and foreign key in database, primary key and foreign key, what is primary key and foreign key in sql, what is primary key and foreign key in sql, what is primary key and foreign key in sql, primary and foreign key in sql
This video is a short video of complete discussion on Keys in DBMS. If you have missed it out, watch the video by clicking on the link above. Link is also available in the description below.
A Primary Key can consist of a single or multiple columns of a table to uniquely identify a row of the table
and it cannot contain Null or duplicate value.
Foreign Key, As the name specifies, it is a key which is used to combine different tables together based on value of some column.
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Top Moments:
0:29 Details of Primary Key
0:41 Example of Primary Key
1:06 Details of Foreign Key
1:15 Example of Foreign Key
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