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Tomás 4 роки тому оновлено Rafał Strzaliński (Senior Engineer) 4 роки тому 3
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Reverse Engineering Error - Unable to initialize main class

aftab najib 5 років тому оновлено naila123 naila123 4 роки тому 4

Hi, I have just signed up to using Vertabelo and I am looking to use the reverse engineering tool to bring in all my tables from my database.

My Java is all setup and I have downloaded the latest version of the reverse engineering files version 19.4.0.

I have put all my files in one folder with the ojdbc6.jar and reverse-engineering.jar files.

When I run the following command in cmd:

java -cp .;reverse-engineering.jar;ojdbc6.jar com.vertabelo.reverse.Main -url "jdbc:oracle:thin:@//localhost:1521/xe" -user USERNAME -password password1234 -o localhost_file

I get the error:

Error: Unable to initialize main class com.vertabelo.reverse.Main
Caused by: java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException

I have tried to search the forums, but I haven't found anyone coming up with this issue, so would really appreciate if any one could advise on how I could resolve this issue.

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oracle identity ?

Ugo Peltier 4 роки тому оновлено Rafał Strzaliński (Senior Engineer) 4 роки тому 1

Hi,


Starting v12c of Oracle, we can add identity column to tables, here is an explanation:

https://www.oracletutorial.com/oracle-basics/oracle-identity-column/#:~:text=Introduction%20to%20Oracle%20identity%20column,the%20surrogate%20primary%20key%20column.

How can I add this to the ERD definition in vertabelo ?

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Using Subject area in reverse engineering

Ashwini Bhoite 4 роки тому оновлено Rafał Strzaliński (Senior Engineer) 4 роки тому 3

I have imported a large database into Vertabelo and would like to group tables in subject areas. I can see the options in Subject area we have are only for creating new tables. I am trying a tedious process of dragging tables into subject area in the workspace section manually but because the database has a lot of tables, it is geting more time consuming. Am I missing an easy way to add tables to Subject area during reverse engineering?

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Model subtypes using descriminator

Bo Bell 4 роки тому оновлений 4 роки тому 2

Any plans of implementing this ?

Its common approach for modelling subtypes. It does not influence generated table structures, but are a great help in understanding the model.

Descriminator.PNG

Відповідь
Jarosław Błąd (CEO) 4 роки тому

Hello,


This is possible in a logical database model. However with a little bit different notation. Moreover you can choose different generation strategies for an inheritance hierarchy that can be applied during generation of a physical model from a logical model. 

We don't plan to introduce such notation for physical database models as these models should reflect real physical objects in a database.

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how to set foreign key

Anik Chowdhury 10 років тому оновлено victor maricato 4 роки тому 6
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Reverse Engineering tool installation issues

Ashwini Bhoite 4 роки тому оновлено Daniel Sobotka 4 роки тому 7

My java version is : openjdk version "11.0.2" 2019-01-15

and when I run the command

java --add-modules java.xml.bind -cp .;reverse-engineering.jar;ojdbc6.jar com.vertabelo.reverse.Main -url "jdbc:oracle:thin:@//localhost:1521/xe" -user USERNAME -password 
password1234 -o localhost_file

I get error : Error occurred during initialization of boot layer
java.lang.module.FindException: Module java.xml.bind not found

Is my java version not comaptible?

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How can I delete my account?

BOHDAN HECHA 4 роки тому оновлено Rafał Strzaliński (Senior Engineer) 4 роки тому 1

How can I delete my account?Because I have registered it not correctly, cause i am a student and it shows me that my trial period is ended.So as I understood I need to registrate it as a student.pls help me

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Table should have primary key

Vidar567 4 роки тому оновлений 4 роки тому 3

Hello,

I have really weird problem. For some weeks of my work everything was alright, but today when I would like to create some projects vertabelo doesn't work well.

It gives me a warning message "Table should have primary key". Weeks ago my projects work well, but now warnings are in every project.


Image 990

Image 991

It has primary keys, but system doesn't see it.

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convert logical model to physical model. Is this available only in the Team Plan, and not in Basic & Premium Plans?

Ouri Azoulay 4 роки тому оновлено Rafał Strzaliński (Senior Engineer) 4 роки тому 1