stored procedure using like (MySQL)

How can I use the LIKE statement in stored procedures (MySQL) ?

I tried both but I still get errors:

..WHERE Des_Articolo LIKE '%nome_art%';

..WHERE Des_Articolo LIKE'%',nome_art,'%';

nome_art is declared as

CREATE PROCEDURE  ric_art (IN nome_开发者_高级运维art VARCHAR(100) , OUT msg VARCHAR(100))

Many thanks Roberto

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Use CONCAT to concatenate strings:

WHERE Des_Articolo LIKE CONCAT('%', nome_art, '%');

Note: This type of query is slow. If performance is an issue, you may want to consider an alternative approach such as full-text searching.

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you can use:

..Where Des_Articolo like CONCAT('%',nome_art,'%');

Bun Leap_kh