mencari pasangan nilai string di objek json menggunakan mysql

Coba ikuti kueri menggunakan skema umum

select * from tablename where common_schema.extract_json_value(tablename.columnName,'/user_id') = 'xyz';

Referensi: http:// mekanik.flite.com/blog/2013/04/08/json-parsing-in-mysql-using-common-schema/