16.
Using which keyword of Alter table command we can modify the data definition of any data in an existing table?
a) Change
b) Modify
c) update
d) None
17.
Which keyword of Alter table command is used to change the name of any column of an existing table?
a) Change
b) Modify
c) Drop
d) Clear
18.
To remove or delete a column from an existing table we use
a) remove
b) Drop
c) Delete
d) Clear
19.
To delete an entire table from the database we use
a) Delete Table
b) Drop Table
c) Remove Table
d) None
20.
By defualt Order by clause lists the results in ______ order.
a) Descending
b) Any
c) Ascending
d) Same
