I would only like the owner and moderators to create the columns in the databases, but would like the owner, moderator, and members to be able edit the information in the rows.
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In admin/settings/databases, I have it set for Subscribers can view, moderators can create tables.
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At Edit Table/Modify Table of the database I have View Table =Members, Edit Table=Moderator and table owner, Add Rows=Moderator and table owner, Edit Rows=Members .