What are the various levels of constraints

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Hi!!

Can someone tell me the various types of constraints?
Oct 18, 2018 in Database by Sahiti
 • 6,370 points • 2,788 views

1 answer to this question.

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Constraints are the representation of a column to enforce data entity and consistency. There are two levels  of a constraint, namely:

  • column level constraint
  • table level constraint
answered Oct 18, 2018 by DataKing99
 • 8,250 points

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