Unit 15: Vocabulary

Please study the 16 vocabulary terms below. Then press the Mark Complete button to continue.
US
UK
& (ampersand)
a key which is used in many languages to mean 'and'
US
UK
In SQL queries it is best practice to spell out 'AND' and not just use the ampersand (&) as a shortcut.
US
UK
* (asterisk)
the character which often means "multiply" in a math equation or "match all" in a RegEx wildcard
US
UK
The programmer could not remember whether to use an asterisk (*) or a percent sign (%) as a wildcard in his SQL regular expression.
US
UK
@ (at sign)
the sign often used in email addresses to separate usernames from domain names
US
UK
The at sign key is often in very different locations on many international keyboards.

SORRY, BUT YOUR FREE VIEWS HAVE RUN OUT!

Create a free account to continue or login

"We hope you have noticed that this site is not like the others. It is free from advertising, spyware, and annoying clickbait. Therefore, we rely 100% on our user base for financial support. In fact, this site would not exist without the support of our hundreds of loyal subscribers. Your support begins with a free registration. Thank you."

Not convinced? Read our About us or Clients pages for more info, including testimonials, case studies, and more.