Which of the following is FALSE regarding PRIMARY KEYS in SQL Server 2012?

 Posted by Bandi on 11/24/2013 | Category: Sql Server Interview questions | Views: 1227 | Points: 40
Select from following answers:
  1. A table can only contain 1 primary key
  2. If CLUSTERED or NONCLUSTERED is not specified for a PRIMARY KEY constraint, CLUSTERED is used if there are no clustered indexes specified for UNIQUE constraints
  3. All columns defined within a PRIMARY KEY constraint must be defined as NULL
  4. None
  5. All Above

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