Computer Science
…………… defines rules regarding the values allowed in columns and is the standard mechanism for enforcing database integrity.
- Column
- Constraint
- Index
- Trigger
DDL & DML
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Answer
Constraint
Reason — Constraint defines rules regarding the values allowed in columns and is the standard mechanism for enforcing database integrity. Once an integrity constraint is enabled, all data in the table must confirm to the rule that it specifies.
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Fill in the blank :
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