What is key? full Explanation | DBMS |Primary, Foreign, Unique, Composite, Alternate & Condidate Key

Summary

This video script discusses key concepts in database management systems, focusing on primary keys, candidate keys, alternate keys, composite keys, and foreign keys. It explains the importance of unique identification for records and how these keys help in performing join operations between tables. The script also delves into practical implementations, using examples like student and course tables to illustrate the creation and use of these keys, ensuring data integrity and efficient data retrieval.

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