May 2020
Beginner
564 pages
14h 9m
English
Content preview from Learn SQL Database Programming
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Working with Expressions
In this chapter, you will learn how to use expressions, including using literals, operators, columns, and built-in functions to create expressions. You will learn about the different types of built-in functions, including string, numeric, datetime, and advanced functions, which include casting and converting to other data types. You will learn how to use statistical functions, including how to get and use variance and standard deviation. Finally, you will learn how to create a generated column based on an expression.
In this chapter, we will cover the following topics:
- Using expressions
- Working with dates and times
- Using statistical functions
- Using generated columns
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.