How many Unique & Primary Key's in a table
How many Unique & Primary Key's in a table?
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Jignesh TrivediPosted Sep 18, 2014, 11:14 PM
Hi,
Agree with above answer
Table have only one primary key and have many unique keys.
hope this will help you.
VulpesPosted Sep 18, 2014, 3:07 PM
Note that both primary and unique keys can consist of one or several columns. Primary keys can't be null but unique keys can have one null value.