Name the method which is used for displaying only one record from the result set.

1. fetchmany()
2. fetchno()
3. fetchall()
4. fetchone()

To execute all the rows from the result set, which method is used?

1. fetchall()
2. fetchone()
3. fetchmany()
4. none of these

Name the host name used for signing in the database.

1. localhost
2. localpost
3. localcost
4. none of these

The command used for modifying the records is:

1. update()
2. add()
3. updateall()
4. none of these