Add some reasoning behind virtual rows to the virtual row documentation
Add some reasoning behind virtual rows to the virtual row documentation

yazshel/sequel,t-morgan/sequel,knut2/sequel,nicohvi/sequel,dennis-d/custom_sequel,davidbegin/sequel,tmm1/sequel,reubano/sequel,offshore-safety/sequel,gferguson-gd/sequel,freshpay/sequel,pfarrell/sequel,chef/sequel,uhoh-itsmaciek/sequel,knut2/sequel,yazshel/sequel,bigfix/sequel,nju520/sequel,seeARMS/sequel,nju520/sequel,dennis-d/custom_sequel,pfarrell/sequel,freshpay/sequel,mpalmer/sequel,beni55/sequel,reubano/sequel,t-morgan/sequel,offshore-safety/sequel,seeARMS/sequel,davidbegin/sequel,Marketcircle/sequel,offshore-safety/sequel,gferguson-gd/sequel,beni55/sequel,nicohvi/sequel,mpalmer/sequel,uhoh-itsmaciek/sequel