Wildcards must be used with the LIKE operator.
Wildcard characters and its description:
"%" is a substitute for zero or more characters
"_" is a substitute for a single character
Wildcard '%' percent example:
SELECT * FROM vendors
WHERE companyname LIKE '%XYZ%';
- In this SQL LIKE condition example, we are looking for all vendors whose company name contains the characters 'XYZ'.
Wildcard '_' underscore example:
CASE WHEN ({firstname} LIKE 'K_te') THEN 'Match' ELSE 'Not Match' END
- This matches all firstname field that has 'K' for the first letter and 'te' for the last two letters.
- For example, it returns matches whose first name is Kate, Kite, Kyte, Kete, Kute, etc.
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