Defining a calendar using PL/SQL

You might’ve been in a situation where you need to agree on meeting dates, synchronize activities and events, or write down deadlines for individual tasks and activities. When you receive an invitation to a conference, meeting, or just an online call, you usually open Google Calendar or your smartphone calendar app and check your availability. What do you primarily see? A calendar that’s daily or monthly organized. If you click on a specific day, hour references are loaded.

However, many times, you don’t need to know the exact time of the activity. You will get a task from your boss that needs to be completed by the end of the week. But they do not need to know exactly what time you will do it. It’s enough to ensure that the job is done and not exactly when it was finished. Similarly, when you are asked to prepare a vacation schedule, which precision will be used? Yes, daily granularity. In the same way, for an employment...