1.Question :(TCO 2) Explain what physical independence means.
2.Question :(TCO 1) Data constitutes the building blocks of _____________.
3.Question :(TCO 1) The DBMS allows you to extrapolate information from your data by using a
4.Question :(TCO 1) The lowest level in a database hierarchy is the ____________ or value as it is often
5.Question :(TCO 2) In Oracle, a ____________________ is automatically constrained to be UNIQUE and NOT
6.Question :(TCO 2) Within a table, the primary key must be unique so that it will identify each row. When
this is the case, the table is said to exhibit ___________.
7.Question :(TCO 2) A primary key _________________________.
consists of only one field
has the value for all records
must contain a unique value for each record within the table
is defined automatically
8.Question :(TCO 2) If a foreign key contains either matching values or nulls, the table(s) that make use
of such a foreign key is/are said to exhibit __________ integrity.
9.Question :(TCO 5) The ___________ model is both software and hardware dependent.
10.Question :(TCO 5) The product of a logical model is the _____________.
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