Regardless of the engine you are using (SQL Server, mySQL, Oracle, etc), you can prevent common errors and simplify the debugging process. This article will discuss some of the issues you’ll face and will help you tackle them successfully. One of the best ways to prevent SQL errors is to keep your queries clear and readable. It’s very easy to forget the ideas behind your code! If you have to revisit it (and you will), messy code can be hard to understand.