*** 46,54 **** Mutiple processes can have the database open simultaneously. Derby only allows a single process to have the database open at ! a time. But that single process can be a server that allows other ! processes to connect as clients. When run in a client/server ! configuration, Derby has upgradable row-level locking, so high simultanious concurrency without much contention can be achived. *Crash-Resistance* --- 46,59 ---- Mutiple processes can have the database open simultaneously. Derby only allows a single process to have the database open at ! a time. ! ! Derby allows increased concurrency in client/server mode. In ! client/server mode Derby supports giving multiple processes ! access to the database with row-level locking. But client/server ! mode requires that there be a thread or process available to act ! as the server. In standalone mode, Derby only allows a single ! process to connect to the database at a time. *Crash-Resistance*
Small. Fast. Reliable.
Choose any three.
Choose any three.
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