cognos analytics does support model import and export. i have no idea how it compares to tableau. generally we create our models in framework manager. in fm you define the sql tables, sql joins, and then the presentation of those data elements. these are the building blocks for creating reports/tables. once done in fm we deploy the model to our development cognos. here we create or change any reports or dashboard. once done we export the model from cognos and import into our QA cognos. from QA we export the model and ship to our customers so that they can import our models with the internal framework and our canned reports and dashboards.
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