Delphi data access components for MySQL, Oracle, PostgreSQL, Firebird, SQLite received a new algorithm which helps to increase processing speed of big ammounts of data while working with MySQL, Oracle, POstgreSQL from Delphi. If you develop Delphi projects for Linux or FreeBSD then you should to check these new components out.
You can know more about them here https://www.devart.com/news/2015/dacseatle.html
