AWS does support encryption for your applications. You can find a variety of encryption methods in the market. But, AWS supports only two encryption methods. I have given top features of AWS encryption services supports.
DATE calculation in SQL is tricky. Sometimes you need to find Day name, Day of the week, and Next Day Date. These example SQL queries useful for you.
This post covers how to use WHERE and DELETE in sub-queries. Useful examples to refer to quickly.
I have explained how to format DATE by using views.