3 ms·
Is it? He doesn't mention aggregate queries, but seems to want to load a single row without unnecessary columns. Columnar DBs would spread a row out across the
by srcreigh 5y ago
Is it? He doesn't mention aggregate queries, but seems to want to load a single row without unnecessary columns. Columnar DBs would spread a row out across the disk which would probably be less efficient.
- eurasiantiger 5y agoExcept the mentioned common use case of adding columns is usually very expensive in row-oriented DBs and trivially inexpensive in columnar DBs.