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