The HTML DOM input month stepDown() method steps down (decrement) the value of input month field by a specified value.SyntaxFollowing is the syntax −object.stepDown(number)Here, if number parameter is omitted then it decrements the value by 1.ExampleLet us see an example of input month stepDown() method − Live Demo HTML ... Read More

The HTML DOM input month stepUp() method steps up (increment) the value of input month field by a specified value.SyntaxFollowing is the syntax −object.stepUp(number)Here, if number parameter is omitted then it increments the value by 1.ExampleLet us see an example of input month stepUp() method − Live Demo HTML ... Read More

The HTML DOM input month form property returns the reference of the form that contains the month input field in the HTML document.SyntaxFollowing is the syntax −object.formExampleLet us see an example of HTML DOM input month form property − Live Demo    body{       text-align:center; ... Read More

The HTML DOM input number form property returns the reference of the form that contains the number input field in the HTML document.SyntaxFollowing is the syntax −object.formExampleLet us see an example of HTML DOM input number form property − Live Demo body{ ... Read More

Tringle is a closed figure with three sides. An equilateral triangle has all sides equal. Area and perimeter of an equilateral triangle can be found using the below formula, Area of equilateral triangle = (√3)/4*a2Perimeter of equilateral triangle = 3 * aLogic of CodeTo find the area of an equilateral ... Read More

A tetrahedron is a pyramid with triangular base i.e. it has a base that is a triangle and each side has a triangle. All the three triangles converge to a point. As in the figure, Code Logic − The code to find the area and volume of tetrahedron uses the ... Read More

An enneagon also known as nonagon is a polygon with 9 sides. To calculate the area of enneagon the following formula is used, Area of ennagon = ((a2*9) / 4*tan (20°)) ∼= (6.18 * a2)Code Logic, The area of a polygon with nine sides is calculated by using the formula, ... Read More

An octagon is a polygon with eight sides. To calculate the area of octagon the following formula is used, Area of octagon = ((a2*2) / *tan (22.5°)) = ((2*a*a)(1+√2))Code Logic, The area of a polygon with eight side is calculated by using the above formula. The expression uses sqrt function ... Read More

For this, you can use GROUP BY clause along with IN(). Let us first create a table −mysql> create table DemoTable    -> (    -> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    -> Name varchar(100)    -> ); Query OK, 0 rows affected (0.87 sec)Insert some records in ... Read More

You can use IFNULL() for this. Let us first create a table −mysql> create table DemoTable -> ( -> added_date date, -> updated_date date -> ); Query OK, 0 rows affected (0.95 sec)Insert some records in the table ... Read More