MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SQL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which symbol can be used as a wildcard in SQL?
A
?
B
&
C
%
D
$
Explanation: 

Detailed explanation-1: -Note − MS Access uses the asterisk (*) wildcard character instead of the percent sign (%) wildcard character. Matches one character.

Detailed explanation-2: -To locate a specific item when you can’t remember exactly how it is spelled, try using a wildcard character in a query. Wildcards are special characters that can stand in for unknown characters in a text value and are handy for locating multiple items with similar, but not identical data.

Detailed explanation-3: -A wildcard is a symbol that takes the place of an unknown character or set of characters. Commonly used wildcards are the asterisk ( * ) and the question mark ( ? ). Depending on the software or the search engine you are using, other wildcard characters may be defined.

There is 1 question to complete.