May 2020
Beginner
564 pages
14h 9m
English
Content preview from Learn SQL Database Programming
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Allowed characters when naming database objects
When creating a database object, you can't use any character. You need to use the permitted characters, which include numbers (0–9), lowercase letters (a–z), uppercase letters (A–Z), the dollar sign ($), and underscore (_).
You can use characters other than these permitted ones, but then you will find yourself with the same problem regarding what happens when you put a space in a name. You have to use backticks (`) in MySQL when creating it or using the object if you use non-permitted characters. It's best to steer away from non-permitted characters.
To summarize this section, you want to ensure that you avoid keywords and spaces, and make sure that you use descriptive and accurate naming. ...
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