Lec-3 Entity Integrity constraints in dbms with Examples | Domain, Referential Integrity, Key

Hey There Dev Champ…This is the 3rd time we are sitting together to discuss Relational Database Management System…

Previously we discussed Types of Keys in a Database Management System. If you have missed it out, watch the video by clicking on the link above. Link is also available in the description below.

Questions answered in this video:
1) What are Integrity Constraints (Entity Integrity Constraints) in Database Management System (dbms) ?
2) Why do we need Integrity Constraints in Database Management System (dbms) ?
3) What are the different Types of Integrity Constraints in DBMS?
4) What is Not Null Constraint?
5) What is Unique Constraint ?
6) What is Primary Key Constraint ?
7) What is Referential Integrity Constraint or Foreign Key Constraint ?
8) What is Default Constraint ?
9) What is Domain Constraint or Check Constraint ?

Integrity Constraints refer to the fact, that data remains consistent and complete after any insertion, deletion or updation of data in the table,
And all this is required to maintain the quality and accuracy of data in database. To ensure this, we need to apply different constraints on the columns of a table.
All these constraints are generally known as Integrity Constraints.

In this video you can find complete details regarding concept of different integrity constraints in DBMS. In our SQL series, we shall once again discuss these constraints and learn how to apply these constraints on a table in Database using SQL language.
If you have any questions, please post them in comments below and we shall try to answer them as quickly as possible…
Stay Connected and follow the series as we dig deeper and discuss
Different ways to join the tables together through joins in dbms, in next lecture.

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Cheers !
using animated explainer videos
Lec-3 Integrity Constraints Complete Details with Examples | integrity constraints in dbms | Beginners Tutorial
Top Moments in this Lecture:

0:16 Link to the Previous Lecture
0:21 Topic Covered in this video
0:33 What are Integrity Constraints ? What is the need of Integrity Constraints in DBMS ?
1:18 Types of Integrity Constraints in DBMS
1:47 Not Null Constraint
2:06 Example of Not Null Constraint
2:31 Unique Constraint
2:45 Example of Unique Constraint
3:13 Primary Key Constraint
3:51 Example of Primary Key Constraint
4:08 Referential Integrity Constraint or Foreign Key Constraint
4:28 Example of Referential Integrity Constraint or Foreign Key Constraint
5:11 Default Constraint
5:32 Example of Default Constraint
5:51 Domain Constraint or Check Constraint
6:03 Example of Domain Constraint or Check Constraint
6:54 Next Planned Lecture Topic

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Top Moments in this Lecture:

0:16 Link to the Previous Lecture
0:21 Topic Covered in this video
0:33 What are Integrity Constraints ? What is the need of Integrity Constraints in DBMS ?
1:18 Types of Integrity Constraints in DBMS
1:47 Not Null Constraint
2:06 Example of Not Null Constraint
2:31 Unique Constraint
2:45 Example of Unique Constraint
3:13 Primary Key Constraint
3:51 Example of Primary Key Constraint
4:08 Referential Integrity Constraint or Foreign Key Constraint
4:28 Example of Referential Integrity Constraint or Foreign Key Constraint
5:11 Default Constraint
5:32 Example of Default Constraint
5:51 Domain Constraint or Check Constraint
6:03 Example of Domain Constraint or Check Constraint
6:54 Next Planned Lecture Topic