You can write SQL statements and queries without any mistakes. I am providing you some best tips and help to avoid some silly mistakes. I saw lots of silly mistakes of SQL statements which resulted in high-level data loss or performance degradation. Using my long experience you would get lots of learning resources for avoiding such small errors. Which doesn’t impact any data loss, performance degrade, or huge blackout of the database server.
You can learn SQL using my tutorials with a smart way of thinking knowledge. Experience makes a man perfect. If you don’t consider this section then you would be able to learn from your own mistakes.