Generate entity relationship diagram from database

How To: Generate an ERD for Selected Tables in SQL Developer | ThatJeffSmith

generate entity relationship diagram from database

Under your database right click on "Database Diagrams" and select "New Choose tables to include in ER-Diagram (to select multiple tables. Entity Relationship Diagrams tell a story. add tables one at a time, it will auto- generate the relationship if there is one defined in the database. The relationship between tables in any relational database is done using Foreign Keys. Then you can create ER diagram from that model.

To add the tables to the diagram select them use Control or Shift keys to select multiple at once and click Add button or double click on them.

generate entity relationship diagram from database

When you add all required tables click Close button. You can add tables later on. Just right click on diagram pane and choose Add Table This will create a diagram with the tables columns, primary keys, and relationships that were read from the schema.

Tuning diagram For now you have diagram with all the tables but it might not look like the way you want it. SSMS has a very useful function - Autosize.

Reverse Engineering ERD from Database

Tables will be arranged on the diagram. You can also decide how to display the tables. Right click on the table and choose one of the options in Table View.

How to Generate DDL from Your Entity Relationship Diagram (ERD)

Column names This option shows column names and primary key only. Standard This option will include basic column attributes. Keys This option will include only columns that are part of a primary, unique or foreign key.

Reverse Engineering ERD from Database

Name only This option will show table names only. Custom You can also create your custom view, where you can choose which column attributes you want to include.

generate entity relationship diagram from database

After small updated my diagram looks like below: Adding related tables SSMS editor comes with one useful function. You can automatically add all the tables related to a particular table with a foreign key relationship to the diagram. To do it, right click on the table and choose Add Related Tables.

How to create database diagram with Microsoft SQL Server Management Studio

You can visualize them later on if you want to. List of available results of database reversal Sometimes, you may just want to reverse engineer stored procedures or triggers.

generate entity relationship diagram from database

If that's the case, uncheck Reverse Table. Synonym is an alternative name for objects such as tables, view, etc. If you are going to reverse an Oracle database, you can optionally check Include synonyms to reverse synonyms as entities. Keep Reverse Stored Procedure checked if you want to restore stored procedures. Keep Reverse Trigger checked if you want to restore database triggers.

SQL Database Modeler - SQL Database Modeler, Entity Relationship Diagram

By checking Group stored procedures and triggers in one shape, we will create at most one stored procedures shape and one triggers shape to hold all the reversed procedures and triggers. When unchecked, one procedures shape will be created for each procedure being reversed.

generate entity relationship diagram from database

You can also place the reversed entities into a dedicated model by clicking Configure the database connection and click Next. Make your choice and click Next. Skip this step if you aren't prompted to select schema. Select schema By default, all database tables in the specified database or schema will be reversed.

Select tables to be reversed Preview the entities that will be created and click Finish to execute the reversal. Preview the entities to be created When finished, you can optionally form an ERD from the reversed entities.

If you have selected Popup entities tree as result in step 2, you are now prompted a window with all the reversed entities listed.