COMPUTER SCIENCE AND ENGINEERING
SQL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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*
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?
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!
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____
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Detailed explanation-1: -MySQL Wildcards A wildcard character is used to substitute one or more characters in a string. Wildcard characters are used with the LIKE operator. The LIKE operator is used in a WHERE clause to search for a specified pattern in a column.
Detailed explanation-2: -The asterisk “*” and the question mark “?” are the two main wildcard characters in Access you need to know. The asterisk represents multiple unknown characters. For example, the criteria “N*” would find all “N” words like “Nebraska, ” “Ned, ” “Not, ” “Never Ever, ” etc.
Detailed explanation-3: -SQL supports two wildcard operators in conjunction with the LIKE operator which are explained in detail in the following table. Sr.No. Matches one or more characters. Note − MS Access uses the asterisk (*) wildcard character instead of the percent sign (%) wildcard character.