3 ms·
That's only if you read everything, and if none is in ram. With a columnar DB you can just scan the values of the column you need.
by winrid 2y ago
That's only if you read everything, and if none is in ram. With a columnar DB you can just scan the values of the column you need.
- riku_iki 2y agoThen 3tb of total data volume is irrelevant. What relevant is size of column.