What beginners should learn first when studying SQL

"I was studying Java, and suddenly SQL came up.""I've seen SELECT and INSERT, but what are they actually used for?"For those who have just started learning programming, SQL might seem a bit confusing.
Android Authority

Java tutorial for beginners: Write a simple app with no previous experience

Java is one of the most in-demand programming languages in the world and one of the two official programming languages used in Android development (the other being Kotlin). Developers familiar with ...