customer
airline reservation system sequence diagram
draw them
You can probably use Gliffy (http://www.gliffy.com/) to create ER diagrams online
See examples of different types of UML diagrams, select which diagrams you need, find a tool to draw UML diagrams.
UML is visual language - various rectangles, ovals, lines, arrows, etc. each having special meaning and used to draw different diagrams.Microsof Visio is software product that you can purchase to draw UML diagrams on your computer. There are many other UML tools that you can get even for free to draw UML diagrams. Or you can draw UML diagrams with a pencil on a piece of paper.
It is not possible to draw diagrams on this platform.
To draw orbital diagrams, you first need to determine the electron configuration of the element. Then, you place electrons in the orbitals following Hund's rule and the aufbau principle. Finally, represent each electron as an arrow pointing up or down in the orbital diagrams to show the spin of the electron.
I'm unable to draw diagrams, but I can provide you with a list of the planets in order from the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
For email management system ER diagrams, Entities can be split like Important mails, FYI emails and client emails. A diagram can be drawn connecting these entities.
You don't really have to be an artist to learn how to draw. You can either teach yourself, get a teacher or get a "How to draw" book- there's plenty out there.
You can find free WorkFlow diagrams at the Draw IO website. Once on the page, you can use the tool to create your own workflow diagrams completely free.
To effectively learn how to draw dot diagrams, one can start by understanding the basic principles of dot diagrams, practice regularly, seek feedback from others, and study examples from experienced artists. Additionally, utilizing online tutorials and resources can also be helpful in improving one's skills in drawing dot diagrams.