Hidden SQL Difference You Didn’t Know

Think ISNULL and COALESCE are the same in SQL? Most developers do. But they are not. In this video, I explain the real difference between ISNULL and COALESCE with practical examples that can impact your reports, calculations, and query results. We will cover data type behavior, string truncation scenarios, multiple arguments support, and when to use each function in real projects. If you use SQL Server, this is one small concept that can save you from big production issues. If you found this helpful, like the video, share it with your friends, and subscribe for more SQL and Data Engineering content. Zero to hero(Advance) SQL Aggregation:    • All About SQL Aggregations | SQL Advance |...   Most Asked Join Based Interview Question:    • Most Asked SQL JOIN based Interview Questi...   Solving 4 Trick SQL problems:    • Solving 4 Tricky SQL Problems   Data Analyst Spotify Case Study:    • Data Analyst Spotify Case Study | SQL Inte...   Top 10 SQL interview Questions:    • Top 10 SQL interview Questions and Answers...   Interview Question based on FULL OUTER JOIN:    • SQL Interview Question Based on Full Outer...   Playlist to master SQL :    • Complex SQL Questions for Interview Prepar...   Rank, Dense_Rank and Row_Number:    • RANK, DENSE_RANK, ROW_NUMBER SQL Analytica...   #sql #dataengineer #null