While installing plugin you can create
DB tables, Its not a
big deal create the
SQL file with proper table query and set
that inside your
Also you can create a forms(with many fields) inside your plugin file,
But the problem is you should have any components controller and model
related to this form submission task. Bcoz form submission you cannot
handle inside plugin file, it should required a
So basically your plugin have related components then you can achieve it
with form action like below.
For creating DB table while installing plugin check this link
Hope its helps..