What is a transaction , in one word? ACID . A tomicity: One block that can't be broken into smaller parts. C onsistency: Works on consistent view and leaves the DB in a constituently state. I solation: Effects only the transaction. D urability: Writes the committed transactions to the database. Single transaction vs. Distributed transactions: Single transaction – a transaction that works on only one durable resource and on a single open connection (also called local lightweight transaction).These...