I have a problem in using Entity data model. I’m unable to add a table in entity model that has no primary key. The same situation is with the table that has composite key.
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I have a problem in using Entity data model. I’m unable to add a table in entity model that has no primary key. The same situation is with the table that has composite key.
For composite keys sure you are wrong but for the first one How could a framework like Entity Framework could know which row has been updated, deleted while it can not identify the row by a primary key,
even in that tables you can have exact duplicate rows.
For the first one check this question