NULL values violate CHECK constraint
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Keep practicing — related questions
- Absence of value is NULL
- The columns with unique constraint allows more than one null values to be inserted.
- A NULL value is treated as a blank or 0.
- NOT NULL constraint can be added using MODIFY clause of ALTER TABLE statement
- this keyword can't be assigned null value
- which constraint allow NULL value
- A constraint is applied to a row and not a column
- Trying to map NULL values to the NON- NULLABLE target fields must not be handled in code