A man is working out on a machine. He stands up and talks to the camera. he

sits down on an exercise machine and starts to work out again.

How to create a relational data model
Don't worry about tables just yet.
It's obvious that you're building a database, and databases (relational ones anyway) are primarily made up of tables, which are made up of rows and columns (tuples and attributes if you're really into it).
Worry about entity relationships.

Your first goal is to map out the relationships that different business objects have. This is the " logical modeling " portion.

How to make a positive impact on the lives of others
Find your own joy.
If you want to try to make others happy, then you'll need to start with yourself. What makes you happy? What brings you joy? Thinking about these questions will help you start to figure out how you can spread happiness to others.

Make a list of the times you've been happiest in your life. It may help for you to go through a photo-book for this.

The video shows a person's hand holding up an acoustic guitar. The yamaha case of the guitar is also shown. a young man
is seen playing his acoustic guitar.