SQL: LIKE
The SQL LIKE Operator
The LIKE operator is used to search for a specified pattern in a column.
The LIKE condition is used in the WHERE clause of a SELECT, INSERT, UPDATE, or DELETE statement.
The LIKE operator uses wildcard characters. A wildcard character is used to substitute one or more characters in a string. All the wildcards can also be used in combinations.
Wildcard Characters in SQL Server:
a) %
Represents zero or more characters
Example:
bl% finds bl, black, blue, and blob
b) _
Represents a single character
Example:
h_t finds hot, hat, and hit
c) []
Represents any single character within the brackets
Example:
h[oa]t finds hot and hat, but not hit
d) ^
Represents any character not in the brackets
Example:
h[^oa]t finds hit, but not hot and hat
e) -
Represents any single character within the specified range
Example:
c[a-b]t finds cat and cbt
Source:
https://www.w3schools.com/sql/sql_wildcards.asp
https://www.techonthenet.com/sql/like.php