Triggers

Which of the following can be acheived with triggers?

Add a row to a table every time a select statement is run involving another table.

For every insertion statement, raise an error if the student$$s name isn$$t capitalized.

When a row is deleted, also delete the related rows in other tables.

Replace modifications to a view with modifications to the table the view is built from.

Only allow updates to a row$$s balance field if it is non$-$negative.