MySQL Like multiple values

问题:

I have this MySQL query.

I have database fields with this contents

sports,shopping,pool,pc,games 
shopping,pool,pc,games 
sports,pub,swimming, pool, pc, games   

Why does this like query does not work? I need the fields with either sports or pub or both?

SELECT * FROM table WHERE interests LIKE ('%sports%', '%pub%')

回答1:

The (a,b,c) list only works with in. For like, you have to use or:

WHERE interests LIKE '%sports%' OR interests LIKE '%pub%'

回答2:

Faster way of doing this:

WHERE interests LIKE '%sports%' OR interests LIKE '%pub%'

is this:

WHERE interests REGEXP 'sports|pub'

Found this solution here: http://forums.mysql.com/read.php?10,392332,392950#msg-392950

More about REGEXP here: http://www.tutorialspoint.com/mysql/mysql-regexps.htm

回答3:

Why not you try REGEXP. Try it like this:

SELECT * FROM table WHERE interests REGEXP 'sports|pub'

回答4:

You can also use RLIKE as well.

For example:

SELECT * FROM TABLE_NAME WHERE COLNAME RLIKE 'REGEX1|REGEX2|REGEX3'

回答5:

Your query should be SELECT * FROM `table` WHERE find_in_set(interests, "sports,pub")>0

What I understand is that you store the interests in one field of your table, which is a misconception. You should definitively have an "interest" table.

回答6:

Don't forget to use parenthesis if you use this function after an AND parameter

Like this:

WHERE id=123 and(interests LIKE '%sports%' OR interests LIKE '%pub%')

回答7:

Like @Alexis Dufrenoy proposed, the query could be:

SELECT * FROM `table` WHERE find_in_set('sports', interests)>0 OR find_in_set('pub', interests)>0

More information in the manual.

回答8:

More work examples:

SELECT COUNT(email) as count FROM table1 t1 
JOIN (
      SELECT company_domains as emailext FROM table2 WHERE company = 'DELL'
     ) t2 
ON t1.email LIKE CONCAT('%', emailext) WHERE t1.event='PC Global Conference";

Task was count participants at an event(s) with filter if email extension equal to multiple company domains.

回答9:

Or if you need to match only the beginning of words:

WHERE interests LIKE 'sports%' OR interests LIKE 'pub%'

you can use the regexp caret matches:

WHERE interests REGEXP '^sports|^pub'

https://www.regular-expressions.info/anchors.html