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Dear All,
I created a table called C_Student. It automatically created a field named crxxx_c_studentid, and this is unique and required. I changed the primary column name to StudName. I also created FirstName, LastName , and StudID columns. To create a key, I was presented with a few columns: FirstName, Import Sequnce Number, LastName, Record Created On, StudID, StudName, Time Zone Rule Version Number, UTC Conversion Time Zone.
StudID is an Autonumber. I would like to use StudID as my Key. However, if you tried to create a relationship, say between C_Student table as your Parent table to a child table like C_Class, I would like the relationship to be StudID in C_Student to relate to StudID in C_Class, but it is picking C_Student as the Lookup column name. In other words, it looked like C_Student column is automatically created to relate the child table (C_Class). If this is the case, of what importance is adding Key to a table in Dataverse?
My thinking now is that the only way I can do that is not to establish the relationship between the tables as provided on the tab to "Add Relationship," but to create each table, then, create a key and select the column that I want in the Parent table, and then, create the child table and add a column with the same name as the selected key column in the child table, then, set it as Lookup to the Parent table. Please advise on a better approach. Meanwhile, I noticed that Autonumber is not Unique. Is there a way to make it Unique?
Your advice to this request is greatly appreciated.
Sincerely,
Isaiah A.
Hi @IsaiahA ,
You are going in the right approach only, create parent table first and then child table. Then go to the parent table and establish 1 to many relation ship with child table. And go to child table form keep the look up of parent table from list of available columns.
For autonumber, hope you have followed the same approach https://docs.microsoft.com/en-us/powerapps/maker/data-platform/autonumber-fields , make sure you give some uniqueness to the name.
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