chapter 11 Flashcards
data organization logic view
character field record table database
key field or primary key
unique identifier
real time processing
also known as online processing because it happens immeidaltey during the transaction
structured query language
sql
data strucutred in nodes organized like an up side down tree each parent node can have only one parent
hierarchal
like hierarchal except that each child can have serval parents
network
data stored In tables consisting or row and columns
relational
data stored in data cubes with three or more dimesions
multidimensional
individual
integrate files used by just one person
distributed
database spread geographically and accessed to used using database server
commercial
information utilities or data banks avail to user on a wide range of topics
a more flexible type where there are no access paths down a herichy data stored in a table called relation tables linked via a common data item tables consist of rows and columns
relational database