Skill Topic · Cinematic

📘 SQL AUTO INCREMENT - ID Automatic Badhana

AUTO INCREMENT se har nayi row ko automatically ek unique number milta hai — tum ID ki tension mat…

Overview

📘 SQL AUTO INCREMENT - ID Automatic Badhana — Quick Facts

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CustomerID: FirstName

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1: Anil

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2: Priya

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3: Ravi

Topic 1

📌 AUTO INCREMENT Kya Hai?

📚 AUTO INCREMENT ek column pe lagta hai jo har INSERT pe automatically next number assign…

Topic 2

📌 MySQL — AUTO_INCREMENT

💡 `sql CREATE TABLE Customers ( CustomerID INT NOT NULL AUTO_INCREMENT, FirstName…

Topic 3

📌 MySQL — Starting Value Change

🎯 `sql -- Default: 1 se start hota hai -- Custom start value: ALTER TABLE Customers…

Topic 4

📌 SQL Server — IDENTITY

⭐ SQL Server me AUTO_INCREMENT nahi hota — IDENTITY use hota hai: `sql CREATE TABLE…

Topic 5

📌 PostgreSQL — SERIAL / GENERATED

🔑 SERIAL (older way): `sql CREATE TABLE Customers ( CustomerID SERIAL PRIMARY KEY,…

Topic 6

📌 Oracle — SEQUENCE

✨ Oracle me AUTO INCREMENT nahi hai — SEQUENCE object use hota hai: `sql -- Step 1:…

Topic 7

📌 SQLite — AUTOINCREMENT

🌟 `sql CREATE TABLE Customers ( CustomerID INTEGER PRIMARY KEY AUTOINCREMENT, FirstName…

Topic 8

📌 Database Comparison

Topic 9

📌 Important Behaviors

📚 ` AUTO INCREMENT Behaviors: ┌──────────────────────────────────────────────────┐ │ │ │ 1.…

Topic 10

📌 Get Last Inserted ID

💡 `sql -- MySQL: INSERT INTO Customers (FirstName) VALUES ('Anil'); SELECT…

Topic 11

📌 Reset AUTO INCREMENT

🎯 `sql -- MySQL: ALTER TABLE Customers AUTO_INCREMENT = 1; -- ya TRUNCATE (resets to 1):…

Topic 12

📌 Common Pattern — E-Commerce

⭐ `sql -- MySQL E-Commerce tables with AUTO_INCREMENT: CREATE TABLE Categories ( CategoryID…

Topic 13

✅ Summary

🔑 KEY POINTS: - AUTO INCREMENT har row ko automatically unique number deta hai - MySQL:…

Comparison

📌 Database Comparison

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Keyword: AUTO_INCREMENT

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Start change: ALTER TABLE

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Manual insert: Directly

Quick Quiz

Quiz — Question 1

📘 SQL AUTO INCREMENT - ID Automatic Badhana ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

📘 SQL AUTO INCREMENT - ID Automatic Badhana ka '1' kya hai?

Complete! 🎉

📘 SQL AUTO INCREMENT - ID Automatic Badhana Complete!

Aliens School · HIEN · Cinematic Knowledge

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