Turbocharging 4D v11 SQL
[These are notes from 4D Summit 2008]
Presenters: Olivier Dechanels, Thibaud Arguillere
How the datafile is organized…
Each block in 4D’s data file is 128 bytes.
Each block can only hold one item. An item may take more than one block and if so, they must be contiguous.
In the future they plan on having special data segments to store [...]