In some cases, nocopy join is faster. Thus. "Can be" faster. But most people do string concatenation in situations where performance of the concatenation rea

In some cases, nocopy join is faster. Thus. "Can be" faster. But most people do string concatenation in situations where performance of the concatenation really doesn't quite matter so much. I optimize for readability, understandability, and prevention of stupid silly mistakes first. Performance comes later.