Question

Which symbol is used in standard SQL as a wildcard to represent a series of one or more unspecified characters? % (percent sign) ; (semi-colon) _ (underscore) ! (exclamation mark) ? (question mark)

Answer 1

Answer:

% (percent sign)

Explanation:

% (percent sign) in SQL is used to represent any number of unspecified characters. For example, Ex% will match Example, Expensive, Exclaim, etc

Answer 2

Answer:

b

Explanation: