4

Updated to use only .NET Core 3.0 (the latest version at the moment). Looks like SQLite is working much slower now.

Third version of comparison

Works better with a different way of DateTime encoding (to a number and not to Unicode sequence), and with enabled caching when reading data.

Second version of comparison

Unsuccessful result.

First version of comparison

Doublets were faster and used less RAM than SQLite + EntityFramework, but used more memory on disk.