mysqli - PHP Mysql - Illegal mix of collations when using CONCAT -


iv'e been trying concat 2 columns table , perform on them

here mysql query:

select * stops concat_ws(name, ' ', desc) '%this%' , concat_ws(name, ' ', desc) '%is%' ,  concat_ws(name, ' ', desc) '%a%'  , concat_ws(name, ' ', desc) '%test%'

when run via php code or phpmyadmin following error:

illegal mix of collations (utf8_bin,none) ,  (utf8_general_ci,coercible) operation 'like'

iv'e been checking similar questions topic , saw lot of answers told change collation of database.

i changed database, tables , fields collcation utf8_general_ci

when run same query in navicat works fine.

am missing here?

thanks!

set database , tables -> character utf8

   alter database db character set utf8 collate utf8_general_ci  alter table table convert character set utf8 collate utf8_general_ci

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