mysql - How to replace html symbols via sql query on php -


i have situation have custom field html symbol (‚). when try replace equivalent (,) cannot it...

i'm using sql query:

$wpdb->query ("update $wpdb->postmeta set `meta_value` = replace(`meta_value`, \'%‚ %\') `meta_value` '‚'");

what doing wrong?

to convert ‚ comma, use replace below: 

select replace(meta_value, '‚', ',') your_table meta_value ','

shown select statement testing, actual update:

update set your_table set meta_value = replace(meta_value, '‚', ',') meta_value ','

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