The conceptual blueprint of the database is called an entity relationship diagram (ERD).
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Q1: A schema describes the structure of the
Q1: Once the data warehouse is in operation,much
Q8: Often,the traditional file approach to storing data
Q8: Object-oriented databases (ODBs) do not store records,but
Q9: The very fact that manipulation of the
Q10: A data warehouse is a large,typically relational,database
Q11: A database itself is a collection of
Q13: Usually,a table in a relational database must
Q16: Multiple characters make up a record.
Q19: The larger the data warehouse,the larger the
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