Computer W1 - Data, Information, and the Database Flashcards
facts and statistics collected together for reference or analysis
data
represents raw elements or unprocessed facts, including numbers and symbols to text and images
data
things known or assumed as facts, making the basis of reasoning or calculation
data
When collected and observed without interpretation, these elements remain simple and unorganized.
data
organized or classified data, which has some meaningful values for the receiver
information
processed data on which decisions and actions are based
information
data with meaning
information
collection of facts and statistics
without context
quantitative (numerical) or qualitative (descriptive)
data
numerical data
quantitative
descriptive data
qualitative
result of analyzing and interpreting data
has context used to help make decisions
information
collection of facts in a related subject
database
organized collection of structured information, or data, typically stored electronically in a computer system
database
HIERARCHY OF DATA IN A DATABASE
database
tables
records
fields
Why is there a need for a hierarchy in databases?
for better organization of the database and ease of use
