10 Mind-Blowing SQL Tricks for Data Engineers
Unlock the full potential of SQL with 10 essential tricks every data engineer should know! In this video, I'll guide you through key techniques like CTEs, window functions, case statements, and the mind-blowing power of recursive CTEs with the Fibonacci sequence. Whether you're optimizing for performance or preparing for your next big interview, these tips will transform how you write SQL queries!
Don’t miss out on trick #5—it’s a game-changer!
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SQL Tricks for Data Engineers Chapters:
00:00 Top 10 SQL Statements for Data Professionals!
00:25 CTE (Common Table Expression)
02:05 Window Functions: How to number your rows with ROW_NUMBER
03:45 SQL Case Statements
08:09 SQL Merge Statements
10:22 Mind-Blowing Trick! Recursion!
12:52 Results of Super Cool Fibonacci Code
13:22 SQL Exists vs IN: Which is Better?
13:59 SQL Join Strategies for Efficient Queries
14:51 STRING_SPLIT: How to Split a String in SQL
16:12 TRY_CAST: Conditional Casting in SQL
17:13 Indexing for Performance!
18:03 SQL Code Challenge!