Constraints in SQL by Mr. Ajay Sharma, Biyani Girls College, Jaipur, Rajasthan

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In this Video, Mr. Ajay Sharma, assistant professor, Biyani Girls College, Jaipur, explains about the constraints in SQL. There are various types of SQL which are as follows:
1. Primary key
2. Not null
3. Unique key
4. Foreign key
5. Check

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