- 3,715,918 Users
- 2,242,907 Discussions
- 7,845,683 Comments
Forum Stats
Discussions
Categories
- 17 Data
- 362.2K Big Data Appliance
- 7 Data Science
- 1.6K Databases
- 474 General Database Discussions
- 3.7K Java and JavaScript in the Database
- 22 Multilingual Engine
- 487 MySQL Community Space
- 5 NoSQL Database
- 7.6K Oracle Database Express Edition (XE)
- 2.8K ORDS, SODA & JSON in the Database
- 417 SQLcl
- 42 SQL Developer Data Modeler
- 184.9K SQL & PL/SQL
- 21K SQL Developer
- 1.9K Development
- 3 Developer Projects
- 32 Programming Languages
- 135.1K Development Tools
- 9 DevOps
- 3K QA/Testing
- 256 Java
- 6 Java Learning Subscription
- 10 Database Connectivity
- 67 Java Community Process
- 1 Java 25
- 9 Java APIs
- 141.1K Java Development Tools
- 6 Java EE (Java Enterprise Edition)
- 153K Java Essentials
- 135 Java 8 Questions
- 86.2K Java Programming
- 270 Java Lambda MOOC
- 65.1K New To Java
- 1.7K Training / Learning / Certification
- 13.8K Java HotSpot Virtual Machine
- 10 Java SE
- 13.8K Java Security
- 3 Java User Groups
- 22 JavaScript - Nashorn
- 18 Programs
- 125 LiveLabs
- 30 Workshops
- 9 Software
- 3 Berkeley DB Family
- 3.5K JHeadstart
- 5.7K Other Languages
- 2.3K Chinese
- 3 Deutsche Oracle Community
- 11 Español
- 1.9K Japanese
- 2 Portuguese
Entity Framework Core: Database first

We are trying to add a tables in program(Reverse Engineering) using Scaffold-DbContext command. It is working fine for almost all tables but giving error for one particular table:
Value cannot be null. (Parameter 'column')
The table contains a virtual column. Please suggest how issue can be resolved.
Scaffold-DbContext "DATA SOURCE=Datasource;PASSWORD=xxxxxx;USER ID=xxxxx" Oracle.EntityFrameworkCore -OutputDir Models -Tables PURCHASEORDER -Force -Context "AppDBContext"
Answers
-
I just added a virtual column to the Blogs table sample and was able to scaffold it successfully. Can you provide the create script for the table in question?
-
Please, where can I Download Scaffold-DbContex tool ?
-
Scaffold-DbContext is part of the EF Core tools download from Microsoft.