Sequence Diagram Tutorial and EXAMPLE | UML Diagrams
A sequence diagram is a Unified Modeling Language (UML) interaction diagram that represents the logic of how objects within a system interact with each other to execute a scenario. This diagram is used in business analysis and software engineering as it can be illustrated at various levels including for a single scenario or an entire system. A key feature of the sequence diagram is that it demonstrates the order (sequence) in which these events take place, which is why it is the next level of detail following use case diagrams. You can learn more about use cases below:
Use Case Diagram Tutorial: • Use Case Diagram Tutor...
Use Case Description: • Use Case Description E...
The sequence diagram is drawn in two dimensions (vertical and horizontal axes) to provide additional context for the sequence of events. Sequence diagrams are also used to illustrate the interaction between user interfaces and software components.
In this video tutorial, I'll be discussing what a Sequence Diagram is, and the various levels of detail, including system sequence diagrams (SSD), Sequence Diagram Best Practices, and an Example of a Sequence Diagram. I'll also be examining the main components of the sequence diagram including topics, object boxes, actors, activation boxes, lifelines, messages, return messages, and combination fragments, such as alternatives, options, and loops.
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Not How to Make a UML Sequence Diagram, or UML Sequence Diagram Tutorial | Easy to Understand with Examples, but UML Behavioral Diagrams: Sequence - Georgia Tech - Software Development Process, with UML Sequence Diagrams, but not Sequence Diagram - Step by Step Guide with Example, or 5 Steps to Draw a Sequence Diagram, or Sequence Diagram in UML | Software Engineering, but How to make Sequence diagram with example, and 3 types of Sequence Diagram, as well as How to make a UML Sequence Diagram in PowerPoint, but not Sequence Diagram for Login Page System, or How to Make Easy UML Sequence Diagrams and Flow Charts with PlantUML, and UML Use-Case and Sequence Diagrams Made Simple | Step by Step Guide | UML Diagrams | Geekific. In this video, The Business Analysis doctor shares an overview of the sequence diagram.
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Also, check out the tutorial on Use Case Diagrams here: kzread.info/dash/bejne/aopn1JeMhLfTkqQ.html
Thank you for your thoroughness in presenting this. You are a gifted teacher.
@thebadoc
10 ай бұрын
Wow, thank you! I appreciate your kind words.
Thank you! Your explanations are very simple and clear! Keep up the good work!
@thebadoc
9 ай бұрын
You are welcome! I'm glad you are finding the content easy to consume! Thanks for the feedback!
Amazing video! I had an aha moment when you talked about using this to add more the use case diagram details. A constant issue for me has now been solved. Thank you Dr.
@thebadoc
10 ай бұрын
Glad it was helpful!
Wow! You make all this information so easy to understand. Thanks
@thebadoc
10 ай бұрын
You're welcome! Glad to help.
Useful and helpful. I would recommend to everyone who is looking to learn Sequence to watch this video. This is all you need to get it all. Thanks to the author and uploader for providing such a great resource
@thebadoc
7 ай бұрын
You are most welcome! I'm so happy to hear that you found the this video to be helpful. Thank you so much for that wonderful feedback!
Thank you so much for the tutorial, i have understood everything
@thebadoc
8 ай бұрын
You are most welcome! I'm glad I was able to present the information in a way that resonates with you!
I love your videos they're so insightful and easy to understand. Can you do a case study beginning to end walk through?
@thebadoc
10 ай бұрын
Hi, Kiki! Glad you are finding the content useful! I'll look into putting together a case study. Thanks for the suggestion and for watching!
17:27 very clear example with clear explanation. Thank you so much) (Example 💯)
@thebadoc
5 ай бұрын
You are very welcome! I hope you gain a lot from the information.
Thanks a bunch for this one.
@thebadoc
Ай бұрын
You are very welcome! I'm glad you found the content to be valuable. I hope it serves you well.
Thank you for this. I've been studying for the CBAP exam and those various diagrams are not well explained in the BABOK. Your concrete examples make them so much easier to understand. 🤝
@thebadoc
4 ай бұрын
You are very welcome! I'm so glad to be able to help you with during your CBAP journey! If you haven't already, be sure to check out the following BABOK-related playlists: IIBA Cert Training: kzread.info/head/PLLUaS2hPOTH6lZKSuoT-RQyx5B2iJgMWP BABOK Techniques: kzread.info/head/PLLUaS2hPOTH5mwnpFrYFGQ6Chu2wfGAu7 I hope these are helpful to you!
well explained, thank you sir
@thebadoc
3 ай бұрын
You are very welcome! I hope the information serves you well.
Amazing channel and I do hope this content reaches many BAs or analysts . Joined as sub. For info, I work in a financial institution in Singapore
@thebadoc
3 ай бұрын
Thank you so much and welcome to the Doc Squad! I'm happy to know that you are finding the content useful! How often do you use Sequence Diagrams in the work that you do?
Very Nice! I suggest you to specify the arrow type for synchronous and asynchronous message
@thebadoc
7 ай бұрын
Thanks for the suggestion and for watching! The arrow types are specified in the message/return message section of the session. The same arrow types are used for synchronous /asynchronous calls.
You have a new FAN!!! Thank you for this! Do you have any BA best practice tools for BA's?
@thebadoc
9 ай бұрын
You are most welcome! Glad you found me! As far as BA best practice tools, my BA Template Package is very popular amongst practitioners. You can check it out here: the-business-analysis-doctor-self-paced-learning.thinkific.com/courses/business-analysis-template-package
Very informative video! What questions should be asked to understand the components of a sequence diagram?..
@thebadoc
Ай бұрын
Glad you found it informative! When it comes to the questions to ask, think about it this way. The purpose of a sequence diagram is to visually illustrate various scenarios from a use case description. So the real question would be... which questions would you ask to understand the components of the use case. So when diagraming the sequence diagram, you would focus on understanding the actors, the flow/sequence of the interactions, the starts and end of particular scenarios, any conditions or repetitive events, alternate flows, exceptions, and what information is passed when the actions or events occur. That's pretty high-level but I hope that helps!
12:06 i think the "asynchronous message" should be another arrow symbol, similar to opposite of "return message", no?
@thebadoc
6 ай бұрын
Correct! Synchronous messages have a solid arrowhead, while asynchronous messages should be drawn with open arrowheads. Great catch!
Which tool do you use to make the diagrams?
@thebadoc
Ай бұрын
Hey! Thanks for watching! I generally use lucid chart.
Can you let me know the best free tool to create this Sequence diagram?
@thebadoc
2 ай бұрын
I use Lucid chart, you can also try the free versions of Visual Paradigm, Draw.io, or EndrawMax. I hope that helps.
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@thebadoc
2 ай бұрын
I could not make sense of the translation for this. But thanks for watching!