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Tamil Nadu Board of Secondary EducationHSC Science Class 12

Write the difference between table constraint and column constraint? - Computer Science

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Question

Write the difference between table constraint and column constraint?

Distinguish Between

Solution

Column constraint:
Column constraints apply only to an individual column.

Table constraint:
Table constraints apply to a group of one or more columns.

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SQL Commands and Their Functions
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Chapter 12: Structured Query Language (SQL) - Evaluation [Page 230]

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Samacheer Kalvi Computer Science [English] Class 12 TN Board
Chapter 12 Structured Query Language (SQL)
Evaluation | Q 3. | Page 230
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