How to Use EA to design ERTU

Our development system starts from the document, and EA is a good tool for developing documents for us. It has ended many problems from conceptual design to logical design and improved our documents.

Now let's talk about how to design the concept model erdiagram in EA:

Open EA-"new project" and you will be asked to select a template:

Then, select the tool:

The following is the main form:

The concept er of my IDC charging system is as follows:

You can add the attribute value because it may appear messy after adding the attribute value, so there is no attribute in my graph.

The concept design is here. If you think that the EA function is absent, it is a big mistake. EA can also convert the conceptual design into a logical design, in my narrow statement, the structure chart of the ergraph to the database is as follows:

Conversion process:

Dialog Box:

The database structure diagram is as follows:

With the structure diagram of the database, we can write the database documents they claim, without having to write them at. The specific steps are as follows:

Add a new package to the right form and put the database structure diagram in:

Enter the dialog box:

Beautiful documents:

This blog is just as honest as it seems to me that this is an article without logic or technical content, it doesn't feel good for people. You can look back and try to delete all the pictures you can delete.

When we work with data centers, we will be troubled by documents. because too many tables need to be painted, too many images need to be painted, and EA will help us solve some of the problems, in the concept design, the ERTU can be easily obtained from the database table. However, if this is used, Please carefully design and re-modify it, because this document is for the team members, the main problem we need to solve is how the team members can see clearly.