Answer Posted / bhaskar

Cursor is an Database object and retrive the rows from
database row by row ,
And it is maily use for ot reduce the network traffic
it contains 5 features
1.DECLARE the Cursor
2.OPEN the cusrsor
3.FETCH the cursor
4.CLOSE the cursor
5.DEALLOCATE the cursor

TRIGGER : IT is also an database object and You can
perform an anction Trigger will fire automatacallly.
like (DML,DDL)
They can cascade changes through related tables in the
database; however, these changes can be executed more
efficiently using cascading referential integrity
constraints.

They can guard against malicious or incorrect INSERT,
UPDATE, and DELETE operations and enforce other
restrictions that are more complex than those defined with
CHECK constraints.

Multiple DML triggers of the same type (INSERT, UPDATE, or
DELETE) on a table allow multiple, different actions to
take place in response to the same modification statement.

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