select * from cv where tags like '%architecture%';
select * from cv where tags like '%fabrication%';
select * from cv where tags like '%systems%';
select * from cv where tags like '%web development%';
select * from cv where tags like '%mapping%';
select * from cv where tags like '%enviromment%';
select * from cv;
select * from cv;
select null from cv where false;
select null from cv where false;