Reply to "Standalone relational storage engines?"

Reply to Standalone relational storage engines? Vaibhav offered RocksDB and LMDB as candidates for “ZeroMQ for database storage”. Facebook has a MySQL storage backend that uses RocksDB , and LMDB has been used as a storage backend for (a fork of) SQLite . I was surprised, because these databases describe themselves as key-value stores, which doesn’t seem like the right data structure for…