Functions MID() and SUBSTR() do the same thing.

Date() and Day() return the same thing.

Assertion. Single row functions when applied on a column in a table, yield multiple values equal to number of rows in the table.

Reason. Single row functions work with individual rows and yield values accordingly.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true but R is false.
4. A is false but R is true.

Assertion. Multi-row functions when applied on a column in a table, yield values which are not equal to number of rows in the table.

Reason. Multiple-rows functions do not work with all the rows in the table.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true but R is false.
4. A is false but R is true.