Informatics
Chapter 8 Terms
and definitions
2024
atomic level - answer Data in a cell that can
not be reduced; when designing a database,
each field must contain atomic level data.
attribute - answer instructs the database
about the type of datum in each filed name;
may be a date, time, currency, number, or
text
Boolean logic - answer a form of algebra in
which matches are either true or false,
named after the 19th century mathematician
, George Boole; three concepts make up
Boolean logic: "AND," "OR," and "NOT"
data - answer individual facts
database - answer software that is a
collection of related objects, such as tables,
forms, queries, and reports
Database Management System (DBMS) -
answer a software application the provides
tools for creating a database, entering data,
retrieving data, manipulating, and reporting
information contained within the data
database model - answer The way data are
organized in a database; several models exist
including flat, hierarchical, network,
relational, and object oriented.
data mining - answer a process that extracts
from data potentially useful information the
was previously unknown