please solve just 4 and 5.

1. What is the difference between the numeric data types INT, SMALLINT, and TINYINT? What is the difference between the data types CHAR and VARCHAR? When should you use the latter (instead of the former) and vice versa? 3. How can you set the format of a column with the DATE data type so that its values can be entered in the form 'yyyy/mm/dd? 4. What is the result of the following expressions? (A is a numerical expression and B is a logical expression.) 5. When can you use both single and double quotation marks to define string and temporal constants