Constraints in SQL and DBMS | Domain,Key, Entity Integrity and Referential Integrity | Tutorial 2023

In this video, you'll learn about Constraints in SQL and DBMS with examples. Constraints enforce limits to the data or type of data that can be inserted/updated/deleted from a table. Domain, Key, Entity Integrity and Referential Integrity all topics are covered.

The whole purpose of constraints is to maintain the data integrity during an update/deletion/insert into a table. Constraints could be either on a column level or a table level. The column-level constraints are applied only to one column, whereas the table-level constraints are applied to the whole table.

Also, you will understand Integrity Constraints over Relations in DBMS, What is Integrity Constraints, Types of Integrity Constraints in DBMS:
1. Domain Constraint
2. Entity Integrity Constraint
3. Referential Integrity Constraint
4. Key Constraint

These topics are often asked in interviews and competitive exams like gate, placement and college semester exams too. This is the complete DBMS and SQL course, you can learn every topic in detail with examples and master database systems. All concepts like Keys, Databases, SQL, Constraints, E-R Model etc are covered in this DBMS Tutorial for Begineers 2023.

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[RavinderKaur-wybs]

Yes schema will not contain data of table