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๐Ÿ—„๏ธ Topic 10: SQL for Data Analysis โ€” Database Se Data Nikalo!

Overview
๐ŸŒŸ

๐Ÿ—„๏ธ Topic 10: SQL for Data Analysis โ€” Database Se Data Nikalo! โ€” Quick Facts

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Previous: Current

๐ŸŽฏ

:---------: :-------:

โšก

[โฌ…๏ธ 09: BI Tools](./09_DA_BI.md): 10: SQL

Topic 1
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

P12: Data Analysis & Interpretation โ€” Data Se Decision Lo!

๐Ÿ“Š Aliens School โ€” Skill Library (HIEN Edition) "SQL is the language of data โ€” 53% of dataโ€ฆ
Topic 2
๐Ÿ’พ

๐Ÿ“Œ Is Topic Me Kya Hai?

๐Ÿ’พ ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ TOPIC 10: SQL FOR DATA ANALYSIS!โ€ฆ
Topic 3
๐Ÿ—„๏ธ

๐Ÿ’ก What is SQL?

๐Ÿ—„๏ธ ` SQL = STRUCTURED QUERY LANGUAGE! โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ• โ†’ Language to talk toโ€ฆ
Topic 4
๐Ÿ“ˆ

๐Ÿ“– SELECT โ€” Data Retrieve Karo!

๐Ÿ“ˆ ` SELECT = DATA DIKHAO! โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ• BASIC: SELECT * FROM Students; โ†’ Sab columns,โ€ฆ
Topic 5
โœจ

๐Ÿ” WHERE โ€” Filter Karo!

๐Ÿ” ` WHERE = CONDITION LAGAO! โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ• COMPARISON: SELECT * FROM Studentsโ€ฆ
Topic 6
๐Ÿ“‰ ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Š ORDER BY & Aggregate Functions

๐Ÿ“‰ ` ORDER BY = SORT KARO! โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ• SELECT * FROM Students ORDER BY Age ASC; โ†’โ€ฆ
Topic 7
๐Ÿ”’

๐Ÿ“‹ GROUP BY & HAVING

๐Ÿงฎ ` GROUP BY = CATEGORY-WISE SUMMARY! โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ• SELECT City,โ€ฆ
Topic 8
๐ŸŒ

๐Ÿ”— JOINs โ€” Tables Ko Jodo!

๐ŸŒ ` JOIN = COMBINE 2+ TABLES! โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ• 4 TYPES OF JOINS: โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ€ฆ
Topic 9
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“ฆ Subqueries & Common Patterns

๐Ÿ“Š ` SUBQUERY = QUERY INSIDE QUERY! โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ• IN SUBQUERY: SELECT Nameโ€ฆ
Topic 10
๐Ÿ’พ

๐ŸŽ“ Practice Platforms (FREE!)

๐Ÿ’พ ` FREE SQL PRACTICE! โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ• โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚โ€ฆ
Topic 11
๐Ÿ”’

๐Ÿ”‘ KEY POINTS โ€” 10 Takeaways!

๐Ÿ—„๏ธ ` โ•”โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•— โ•‘ ๐Ÿ“Œ KEY POINTS โ€” TOPICโ€ฆ
Topic 12
๐Ÿ“ˆ

๐Ÿ’ช Exercises

๐Ÿ“ˆ Exercise 1: Basic Queries SQLite Online ya W3Schools me: (a) Sab customers select karo,โ€ฆ
Topic 13
โœจ

๐Ÿ“š Cross-References

๐Ÿ” ` ๐Ÿ“š Related Topics: โ†’ Topic 05: Excel โ€” Excel vs SQL comparison! โ†’ Topic 09: BI Tools โ€”โ€ฆ
Topic 14
๐Ÿ“‰ ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ—บ๏ธ Navigation

๐Ÿ“‰ | Previous | Current | Next | |:---------|:-------:|-----:| | โฌ…๏ธ 09: BI Tools | 10: SQL |โ€ฆ
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๐Ÿ—„๏ธ Topic 10: SQL for Data Analysis โ€” Database Se Data Nikalo! ka ':---------' kya hai?

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