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Telelogic System Architect (steve huntington) | ![]() |
Topic Title: Changes to the logical diagram Topic Summary: Data model Created On: 23-Nov-2005 11:47 Status: Read Only |
Linear : Threading : Single : Branch |
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![]() Answer: When converting a logical data model to physical you must specify a new physical diagram name. I'm afraid it's not currently possible to directly update an existing physical model. There is an indirect way to do this using SA's DB Sync feature. For example: 1) You have a logical diagram called ERD1 and you create a physical diagram PDM1 from this. 2) You make changes to ERD1 and would like to update PDM1 without deleting it. 3) Convert ERD1 to a new physical diagram called PDM2. 4) From the Tools menu select DB Synchronize. DB Sync allows you to compare two physical models. 5) Select PDM1 as the base model and PDM2 as the compare model. 6) Click Next to generate a side-by-side compare of the two models. 7) You can now merge the changes from PDM2 to PDM1 (or PDM1 to PDM2). 8) Click Finish and PDM1 will be in sync with the updated ERD1. 9) You can delete PDM2 as it is no longer needed. This isn't ideal but it does get the job done. It is also very helpful to be able to compare two physical models side by side. You may notice changes that you weren't aware of. Hope this helps, Kevin | |
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How can I get changes from the logical diagram to the physical diagram without deleting the physical diagram. I want to update an existing physical diagram with changes made to the logical diagram. Is it possible? |
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When converting a logical data model to physical you must specify a new physical diagram name. I'm afraid it's not currently possible to directly update an existing physical model.
There is an indirect way to do this using SA's DB Sync feature. For example: 1) You have a logical diagram called ERD1 and you create a physical diagram PDM1 from this. 2) You make changes to ERD1 and would like to update PDM1 without deleting it. 3) Convert ERD1 to a new physical diagram called PDM2. 4) From the Tools menu select DB Synchronize. DB Sync allows you to compare two physical models. 5) Select PDM1 as the base model and PDM2 as the compare model. 6) Click Next to generate a side-by-side compare of the two models. 7) You can now merge the changes from PDM2 to PDM1 (or PDM1 to PDM2). 8) Click Finish and PDM1 will be in sync with the updated ERD1. 9) You can delete PDM2 as it is no longer needed. This isn't ideal but it does get the job done. It is also very helpful to be able to compare two physical models side by side. You may notice changes that you weren't aware of. Hope this helps, Kevin |
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