>That comes back to the question of exclusive property in the view of the data environment. This exclusive property is disabled and set to .T. by VFP. In this case, how can the view work in multi-user environment?
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>According to VFP help, when exclusive is .T., the base tables will be opened as exclusive On. Is the help giving wrong information?

The view is always opened in exclusive. All the base tables used by the view are opened in share or exclusive mode depending on their Exclusive property.

Ex:
- Table A Exclusive property = .F.
- Table B Exclusive property = .T.
View C based on table A and B
A is opened shared
B is opened exclusively
C is opened exclusively