SQL18 🎓| SQL LAG Function Explained: Master Window Functions! #oracle #analytics

Unlock the power of SQL Window Functions! In this comprehensive tutorial, learn how to use the LAG() function in SQL to easily access data from previous rows without complex self-joins. 📚 We dive deep into practical examples, showing you exactly how to retrieve previous salaries, analyze trends, and more within your database queries.
Perfect for anyone learning SQL, database developers, and data analysts looking to optimize their queries.
✨ What you'll learn:
* What is the SQL LAG function?
* How to use LAG() with OVER (PARTITION BY ... ORDER BY ...)
* Practical SQL query examples for accessing previous row data
* Understanding offsets and default values in LAG
* Boost your SQL skills for data analysis and reporting!
Don't forget to LIKE, SHARE, and SUBSCRIBE for more SQL tutorials and database tips! 👍

#SQL #LAGFunction #SQLTutorial #Database #WindowFunctions #DataAnalysis #SQLQueries #LearnSQL #DatabaseManagement #TechSkills #Coding #QueryHub #DatabaseTutorials #LearnWithRaj #asklearnexcel