LibreOffice is a great program. But there are some difficulties. Here I show how to use sub-form for making filter. Copy-paste will not be possible if the SQL is embedded inside the form. The solution is here to fix that bug.
http://www.instructables.com/id/Liber...
On this page of the site you can watch the video online Libreoffice Base Tutorial - Sub-form filter Part1 with a duration of hours minute second in good quality, which was uploaded by the user TryScienceChannel 28 August 2014, share the link with friends and acquaintances, this video has already been watched 12,431 times on youtube and it was liked by 44 viewers. Enjoy your viewing!