Agenda:
- Getting started with Oracle SQL developer Data modeler
- How to create relational data model
- How to add Sequence Generator to a table
- Handling M:N relationships
- How to create database view
- Export the data model to DDL
- Backup the modeling project
- Create New Data Dictionary
- Getting started with Oracle SQL developer Data modeler
- How to create relational data model
- How to add Sequence Generator to a table
- Handling M:N relationships
- How to create database view
- Export the data model to DDL
- Backup the modeling project
- Create New Data Dictionary
In this post will show how to create database view, the creation of database view in Oracle SQL Developer Data Modeler is different with the creation of database view, and it is missing from the previous posts.
Steps:
1. Make sure the SQL Developer Data Modeler is showing the relational view.
a) click on the New View icon
b) move the cursor to the workspace (top-right pane) to bring up the View Properties dialog.
2. Enter new view name
3. Click Query button to bring up the Query Builder dialog
4. Add Object inside the Query Builder
a) d-click on any object inside the top-right pane.
5. Choose columns from all the objects added.
6. If required UNION
a) R-click "Q" button
b) click New union sub-query
7. Repeat step 4-5 to add object and columns for the New union query
8. verify the generated SQL for the view
9. modify if required, eg. change to UNION ALL
10. test the SQL if required
11. Click OK > OK
Output:
Done!!
Thank you. It was very useful.
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