Answer / subramanyam

Derived table is nothing but logical table like view.it
doesn't carry out any data in the database.It is the
function in the designer. You can use the view as the table
in the universe design and you can create the class objects
and conditions based on that derived table.

Answer / kumarreddy

A derived table is one that is created on-the-fly using the
SELECT statement, and referenced just like a regular table
or view. Derived tables exist in memory and can only be
referenced by the outer SELECT in which they are created.

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