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Database:
Collection of information that you organize
and access according to the logical structure of the information.
Operational Database
:
Relational Database:
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
decision making
Logical structure:
Primary Key:
field
(or group of fields) that uniquely describes each record.
Foreign Key:
primary key of one file
that appears in another file
Author
10mosolis
ID
46692
Card Set
BCIS
Description
Test 2 Review
Updated
2010-11-02T05:28:53Z
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