Hello Devs, SQL is one of the most essential skills in today's increasingly data-driven world. It's vital for any programmer like a Java, C++, Python, JavaScript, or Ruby developer and people learning Data Science and Data analysis.
You may not believe but in my 20 years of career as a Java developer, I found that almost 95% of Java applications use a relational database in their back-end, and nearly all web applications use the database.