Tamil Nadu Board of Secondary EducationHSC Science Class 12th

What is a constraint? - Computer Science

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Short Note

What is a constraint?

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Solution

Constraint:

  • The constraint is a condition applicable on a field or set of fields.
  • Constraints are used to limit the type of data that can go into a table.
  • This ensures the accuracy and reliability of the data in the database.
  • Constraints could be either on a column level or a table level.
Concept: SQL Commands and Their Functions
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APPEARS IN

Tamil Nadu Board Samacheer Kalvi Class 12th Computer Science Answers Guide
Chapter 12 Structured Query Language (SQL)
Evaluation | Q 1. a. | Page 231
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