Lesson 5 · Cinematic Video

Data Constraints

Process Data from Dirty to Clean · Data Integrity

Overview

Aaj Hum Kya Seekhenge?

Constraints jo data quality ensure karte hain. Is lesson me hum Data Constraints ke important…

📖

Data Analytics

🎓

Process Data from Dirty to Clean

⏱️

15 min

Learning Goals

Seekhne Ka Maqsad

🎯

Data type constraints ko detail me samajh…

📚

Range constraints ke concepts clearly samajh…

💡

Unique constraints ki practical application…

⚡

Not null constraints ko professional level…

Topic 1

Data type constraints

🤖 Data type constraints ka matlab yeh hai ke column me sirf specific type allowed…

Topic 2

Range constraints

🧠 Range constraints se murad yeh hai ke values ek range me honi chahiyein (age: 0-120).…

Topic 3

Unique constraints

💡 Unique constraints basically yeh concept hai ke duplicate values allowed nahi (ID…

Topic 4

Not null constraints

⚡ Not null constraints ka core idea yeh hai ke empty values allowed nahi (required…

Topic 5

Regular expression constraints

🎯 Regular expression constraints me yeh hota hai ke specific pattern match (email…

Topic 6

Databases me constraints enforce karna

💡

Definition aur scope clearly yaad…

🔑

Real-world me kahan aur kaise use…

⚡

Related concepts ke saath…

🎯

Practical scenarios me apply karne…

Key Takeaways

Aaj Kya Seekha?

1️⃣

Data type constraints — column me sirf…

2️⃣

Range constraints — values ek range me…

3️⃣

Unique constraints — duplicate values…

4️⃣

Not null constraints — empty values…

Quick Quiz

Quiz — Question 1

Data Constraints me Data type constraints ka kya role hai?

Quick Quiz

Quiz — Question 2

Range constraints ko samajhna kyun zaruri hai?

Quick Quiz

Quiz — Question 3

Not null constraints ka practical benefit kya hai?

Complete! 🎉

Lesson 5 Complete!

Data Constraints · Data Integrity

✅

Lesson 5 Complete

➡️

Data Constraints

Aaj Hum Kya Seekhenge?

Seekhne Ka Maqsad

Data type constraints ko detail me samajh…

Range constraints ke concepts clearly samajh…

Unique constraints ki practical application…

Not null constraints ko professional level…

Data type constraints

Range constraints

Unique constraints

Not null constraints

Regular expression constraints

Databases me constraints enforce karna

Definition aur scope clearly yaad…

Real-world me kahan aur kaise use…

Related concepts ke saath…

Practical scenarios me apply karne…

Aaj Kya Seekha?

Data type constraints — column me sirf…

Range constraints — values ek range me…

Unique constraints — duplicate values…

Not null constraints — empty values…

Quiz — Question 1

Quiz — Question 2

Quiz — Question 3

Lesson 5 Complete!

Lesson 5 Complete

Lesson 6