Oracle PL/SQL practice exercises #01 with solutions

Hello everyone, welcome back to our channel. In thus video, we're going to learn how to calculate the perimeter of a circle using PL/SQL programming language. It's going to be a simple and straight forward process, so let's dive right into it.
01) Write a simple PL/SQL program to calculate the perimeter of a circle with radius=5 cm (Note: Take pi value as 3.14)
Let me walk you through the PL/SQL code we have here. We start by declaring a variable named 'radius' and assigning it a value of 5. This represents the radius of our circle. Then, we declare a constant named 'pi' and assign it a value of 3.14, which is a commonly used approximation of the mathematical constant π.
Next, we declare another variable named 'perimeter' which will hold the calculated perimeter of the circle. In the BEGIN block, we calculate the perimeter using the formula: perimeter = 2 * pi * radius.
Once the calculation is done, we use the DBMS_OUTPUT.PUT_LINE function to display the result. It will show us the perimeter of the circle with a radius of 5 cm.
Now, let's execute the code and see the result.
"The perimeter of the circle with radius 5 cm is: 31.4 cm"
As you can see, the perimeter of the circle with a radius of 5 cm is calculated to be 31.4 cm.
And there you have it! That's how you can calculate the perimeter of a circle using PL/SQL. I hope you found this video helpful. If you did, don't forget to give it a thumbs up and subscribe to our channel for more tutorials like this. Thanks for watching and see you in the next video!
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