What is a view in Data manager.. how am I supposed to create a view which already exists?
Generally speaking, a 'View' is a term used to describe a virtual table within a database.
I don't recall hearing the term 'View' applied to Data Manager.
Generally speaking, you can select from a 'View' in the same way as you would select from a table.
Data manager can not create views, it creates tables.
Although, it's possible some databases might not allow a table if a view exists with the same name.