Null values for unique index

Null values for unique index

 

  

Hi Gurus,
Can we enter more than one null value if there is a unique index created
on a column. Will null be considered as a unique valu.
Thanks in advance

Thanks and regards,
Kavitha Karunakaran
Tata Consultancy Services Limited
415/21-24, Kumaran Nagar,
Sholinganallur,
Old Mahabalipuram,
Chennai - 600 119,Tamil Nadu
India
Mailto: kavitha.[Email address protected]
Website: http://www.tcs.com
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