#!/usr/sed -f
/^.*db_query\(.*(select | from |insert |update | values| where | and | or | join ).*$/{
    s/select /SELECT /g 
    s/ from / FROM /g 
    s/insert /INSERT /g 
    s/update /UPDATE /g 
    s/ values/ VALUES/g 
    s/ where / WHERE /g 
    s/ and / AND /g 
    s/ or / OR /g 
    s/ join / JOIN /g 
}