Answer:
Following are attached images that will help you understand the complete code. The code is tested with different variables and different outputs are obtained. All the necessary description is given in the form o comments inside the code.
Explanation:
Drag... you drag the mouse across the screen.
Answer:
Data manipulation languages are used for the retrieval of the,insertion,deletion and modification of data.
Explanation:
Data Manipulation Languages(DML) are used to insert,delete,update,modify the data in the database.
The commands used to do these operations are as following:-
INSERT INTO :-This command is used to insert values in the database.
DELETE:-It is used to delete existing records from the table.
UPDATE:- It is used to modify the records in the table.
SELECT:- It is used to select data from database.
Astrix (*) is used to multiply
Example: 5*5 (the answer would come out as 25)
If you’re using Excel, do it in the formula bar of course.