This type of decision table is known as an extended-entry decision table.

they made their decision at the judge's table

could u send me the answers for the merits of the decision tables

One advantage of decision table is that table is drawn in the first iteration which acts as a stepping stone to derive a new decision table. One disadvantage is that the table does not scale up well.

It means to delay making a decision on a matter- leaving it on the table, rather than acting on it.