AppSheet Database - "Use Column As Label"

[Roland_W]

I'm trying out AppSheet databases and excited for what this functionality might bring, but I'm a little confused.

1. Is there a way to set a column as the "key" in AppSheet databases?
2. What is the purpose of "Use Column As Label"?

I understand the label that is displayed when another table is referenced - for example, when linking a project manager table to a project, the project manager is the "label" that is displayed, not the key value of "1021".  Do I have that right? 

3. Is there an ETA of when we will be able to copy/paste over a linked lookup column?

[Steve]

AppSheet Databases is in preview and is not suitable for use in any important app.

Please post questions about AppSheet Database here:

Introducing new AppSheet database feature in publi... - Google Cloud Community