By standardizing the entire restaurant management process, the software radically improves serving speed. With regards to databases, POS systems are very demanding on their performance because of numerous submissions and retrievals of data - required for correct sequencing the receipt number, checking up on various discounts, membership, calculating subtotal, so forth - just to process a single sale transaction.

Find sources: Some stores use a single, much longer but faster-moving line, that is served by multiple registers, which produces the same average wait time, but reduces the frustration and variance in wait time from person to person. POS systems record sales for business and tax purposes.

Overseas Surveys Directorate U. Abacre Restaurant Point of Sale. Tablet POS systems popular for retail solutions are now available for the restaurant industry.