Card Set Information
Test 2 Review
Collection of information that you organize
and access according to the logical structure of the information.
series of logically related
two-dimensionl tables or files for storing information.
OLTP (Online transaction processing):
gathering and processing information
and updating existing information to reflect the processed information
OLAP (Online analytical processing)
manipulation of information to support
(or group of fields) that uniquely describes each record.
primary key of one file
that appears in another file