
SQL Programming
February 7, 2025 at 07:30 AM
๐๐จ๐ฐ ๐ญ๐จ ๐๐๐๐ซ๐ง ๐๐๐
๐๐๐ (๐๐ต๐ณ๐ถ๐ค๐ต๐ถ๐ณ๐ฆ๐ฅ ๐๐ถ๐ฆ๐ณ๐บ ๐๐ข๐ฏ๐จ๐ถ๐ข๐จ๐ฆ) ๐ช๐ด ๐ข ๐ฎ๐ถ๐ด๐ต-๐ฉ๐ข๐ท๐ฆ ๐ด๐ฌ๐ช๐ญ๐ญ ๐ง๐ฐ๐ณ ๐ฅ๐ข๐ต๐ข๐ฃ๐ข๐ด๐ฆ ๐ฎ๐ข๐ฏ๐ข๐จ๐ฆ๐ฎ๐ฆ๐ฏ๐ต ๐ข๐ฏ๐ฅ ๐ฅ๐ข๐ต๐ข ๐ข๐ฏ๐ข๐ญ๐บ๐ด๐ช๐ด. ๐๐ต ๐ฉ๐ฆ๐ญ๐ฑ๐ด ๐บ๐ฐ๐ถ ๐ฒ๐ถ๐ฆ๐ณ๐บ, ๐ฎ๐ข๐ฏ๐ช๐ฑ๐ถ๐ญ๐ข๐ต๐ฆ, ๐ข๐ฏ๐ฅ ๐ข๐ฏ๐ข๐ญ๐บ๐ป๐ฆ ๐ฅ๐ข๐ต๐ข ๐ฆ๐ง๐ง๐ช๐ค๐ช๐ฆ๐ฏ๐ต๐ญ๐บ.
๐ญ. ๐๐๐ญ ๐
๐๐ฆ๐ข๐ฅ๐ข๐๐ซ ๐ฐ๐ข๐ญ๐ก ๐๐๐ ๐๐ฒ๐ง๐ญ๐๐ฑ
โ Understand basic commands like:
โฌ SELECT โ Fetch specific data
โฌ INSERT โ Add new rows to a table
โฌ UPDATE โ Modify existing records
โฌ DELETE โ Remove data
โฌ CREATE โ Build tables/databases
โ Start with free platforms for beginners:
โฌ W3Schools SQL Tutorial
โฌ SQL for Data Analysis Playlist on YouTube
๐ฎ. ๐๐๐๐ซ๐ง ๐๐๐ ๐๐จ๐ข๐ง๐ฌ ๐๐ง๐ ๐๐๐ฏ๐๐ง๐๐๐ ๐๐จ๐ง๐๐๐ฉ๐ญ๐ฌ
โ Joins: Combine multiple tables into a single dataset.
โฌ INNER JOIN โ Matches records in both tables
โฌ LEFT JOIN โ Includes all records from the left table
โฌ RIGHT JOIN โ Includes all records from the right table
โฌ FULL JOIN โ Combines everything
โ Explore Advanced SQL Features like:
โฌ Window functions for ranking and cumulative sums
โฌ Subqueries for nested queries
โฌ Indexing to speed up searches
๐ฏ. ๐๐ซ๐๐๐ญ๐ข๐๐ ๐จ๐ง ๐๐๐๐ฅ ๐๐๐ญ๐๐ฌ๐๐ญ๐ฌ
โ Use sample datasets to practice your queries:
โฌ Kaggle: Download free datasets for SQL analysis โ https://www.kaggle.com
โฌ Mock Data: Create your own simple datasets for practice
๐. ๐๐๐ญ ๐๐๐ซ๐ญ๐ข๐๐ข๐๐ (๐๐ฉ๐ญ๐ข๐จ๐ง๐๐ฅ)
โ If youโre aiming for jobs, certifications can boost your profile:
โฌ Microsoft Certified: Azure Database Fundamentals
โฌ Google Cloud Professional Data Engineer
Pro Tip: Focus on solving real-world problems, like analyzing sales data or building dashboards.
Here you can find essential SQL Interview Resources๐
https://t.me/mysqldata
Like this post if you need more ๐โค๏ธ
Hope it helps :)
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