4 ms·
Oh, and another important difference is memory layout. The dataframe implementations mostly (or all) use column-major format. Whereas most conventional SQL impl
by p4ul 3y ago
Oh, and another important difference is memory layout. The dataframe implementations mostly (or all) use column-major format. Whereas most conventional SQL implementations use row-major format, I believe.
- theLiminator 3y agoI think most OLTP databases are row oriented whilst most OLAP are column.