SQL Programming
SQL Programming
February 7, 2025 at 07:30 AM
๐‡๐จ๐ฐ ๐ญ๐จ ๐‹๐ž๐š๐ซ๐ง ๐’๐๐‹ ๐˜š๐˜˜๐˜“ (๐˜š๐˜ต๐˜ณ๐˜ถ๐˜ค๐˜ต๐˜ถ๐˜ณ๐˜ฆ๐˜ฅ ๐˜˜๐˜ถ๐˜ฆ๐˜ณ๐˜บ ๐˜“๐˜ข๐˜ฏ๐˜จ๐˜ถ๐˜ข๐˜จ๐˜ฆ) ๐˜ช๐˜ด ๐˜ข ๐˜ฎ๐˜ถ๐˜ด๐˜ต-๐˜ฉ๐˜ข๐˜ท๐˜ฆ ๐˜ด๐˜ฌ๐˜ช๐˜ญ๐˜ญ ๐˜ง๐˜ฐ๐˜ณ ๐˜ฅ๐˜ข๐˜ต๐˜ข๐˜ฃ๐˜ข๐˜ด๐˜ฆ ๐˜ฎ๐˜ข๐˜ฏ๐˜ข๐˜จ๐˜ฆ๐˜ฎ๐˜ฆ๐˜ฏ๐˜ต ๐˜ข๐˜ฏ๐˜ฅ ๐˜ฅ๐˜ข๐˜ต๐˜ข ๐˜ข๐˜ฏ๐˜ข๐˜ญ๐˜บ๐˜ด๐˜ช๐˜ด. ๐˜๐˜ต ๐˜ฉ๐˜ฆ๐˜ญ๐˜ฑ๐˜ด ๐˜บ๐˜ฐ๐˜ถ ๐˜ฒ๐˜ถ๐˜ฆ๐˜ณ๐˜บ, ๐˜ฎ๐˜ข๐˜ฏ๐˜ช๐˜ฑ๐˜ถ๐˜ญ๐˜ข๐˜ต๐˜ฆ, ๐˜ข๐˜ฏ๐˜ฅ ๐˜ข๐˜ฏ๐˜ข๐˜ญ๐˜บ๐˜ป๐˜ฆ ๐˜ฅ๐˜ข๐˜ต๐˜ข ๐˜ฆ๐˜ง๐˜ง๐˜ช๐˜ค๐˜ช๐˜ฆ๐˜ฏ๐˜ต๐˜ญ๐˜บ. ๐Ÿญ. ๐†๐ž๐ญ ๐…๐š๐ฆ๐ข๐ฅ๐ข๐š๐ซ ๐ฐ๐ข๐ญ๐ก ๐’๐๐‹ ๐’๐ฒ๐ง๐ญ๐š๐ฑ โ†’ Understand basic commands like: โ†ฌ SELECT โ†’ Fetch specific data โ†ฌ INSERT โ†’ Add new rows to a table โ†ฌ UPDATE โ†’ Modify existing records โ†ฌ DELETE โ†’ Remove data โ†ฌ CREATE โ†’ Build tables/databases โ†’ Start with free platforms for beginners: โ†ฌ W3Schools SQL Tutorial โ†ฌ SQL for Data Analysis Playlist on YouTube ๐Ÿฎ. ๐‹๐ž๐š๐ซ๐ง ๐’๐๐‹ ๐‰๐จ๐ข๐ง๐ฌ ๐š๐ง๐ ๐€๐๐ฏ๐š๐ง๐œ๐ž๐ ๐‚๐จ๐ง๐œ๐ž๐ฉ๐ญ๐ฌ โ†’ Joins: Combine multiple tables into a single dataset. โ†ฌ INNER JOIN โ†’ Matches records in both tables โ†ฌ LEFT JOIN โ†’ Includes all records from the left table โ†ฌ RIGHT JOIN โ†’ Includes all records from the right table โ†ฌ FULL JOIN โ†’ Combines everything โ†’ Explore Advanced SQL Features like: โ†ฌ Window functions for ranking and cumulative sums โ†ฌ Subqueries for nested queries โ†ฌ Indexing to speed up searches ๐Ÿฏ. ๐๐ซ๐š๐œ๐ญ๐ข๐œ๐ž ๐จ๐ง ๐‘๐ž๐š๐ฅ ๐ƒ๐š๐ญ๐š๐ฌ๐ž๐ญ๐ฌ โ†’ Use sample datasets to practice your queries: โ†ฌ Kaggle: Download free datasets for SQL analysis โ†’ https://www.kaggle.com โ†ฌ Mock Data: Create your own simple datasets for practice ๐Ÿ’. ๐†๐ž๐ญ ๐‚๐ž๐ซ๐ญ๐ข๐Ÿ๐ข๐ž๐ (๐Ž๐ฉ๐ญ๐ข๐จ๐ง๐š๐ฅ) โ†’ If youโ€™re aiming for jobs, certifications can boost your profile: โ†ฌ Microsoft Certified: Azure Database Fundamentals โ†ฌ 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 Resources๐Ÿ‘‡ https://t.me/mysqldata Like this post if you need more ๐Ÿ‘โค๏ธ Hope it helps :)
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