like
description
syntax
BOOLEAN like(VARCHAR str, VARCHAR pattern)
Perform fuzzy matching on the string str, return true if it matches, and false if it doesn't match.
like match/fuzzy match, will be used in combination with % and _.
the percent sign ('%') represents zero, one, or more characters.
the underscore ('_') represents a single character.
'a' // Precise matching, the same effect as `=`
'%a' // data ending with a
'a%' // data starting with a
'%a%' // data containing a
'_a_' // three digits and the middle letter is a
'_a' // two digits and the ending letter is a
'a_' // two digits and the initial letter is a
'a__b' // four digits, starting letter is a and ending letter is bexample
// table test
+-------+
| k1 |
+-------+
| b |
| bb |
| bab |
| a |
+-------+
// Return the data containing a in the k1 string
mysql> select k1 from test where k1 like '%a%';
+-------+
| k1 |
+-------+
| a |
| bab |
+-------+
// Return the data equal to a in the k1 string
mysql> select k1 from test where k1 like 'a';
+-------+
| k1 |
+-------+
| a |
+-------+keywords
LIKE