Answer Posted / vasu bathula
Universe is a semantic layer that maps the data structure
found in databases(tables,columns,etc)in business terms.
A universe is a file that contains the following:
1.Connection parameters for one or more database middleware.
2.SQL structures called objects that map to actual SQL
structures in the database such as columns, tables, and
database functions. Objects are grouped into classes.
Objects and classes are both visible to Web Intelligence
users.
3.A schema of the tables and joins used in the database.
Objects are built from the database structures that you
include in your schema. The schema is only available to
Designer users. It is not visible to Web Intelligence and
Desktop Intelligence users.
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