If you only want one record in a table (for example if you use a "Settings" table) , you can use
'delete this' (without the quotes) in the "trigger on new record" field of your table.
Hi RoSoft_Steven, thanks for your reply.
In another hand, It's possible to disable the + symbol at the end of the first column and the one at the bottom of the table?
This can only be done by using the user role permission in the 'Create new records' setting of your table.
Which is only available in cloud subscription.