PRELIM Quiz 1 Lec Flashcards
It is the foundation of information, which is the bedrock of knowledge.
Data
Data is _ , unorganized facts that need to be processed.
raw
It is a shared, integrated computer structure that stores a collection of end-user data and metadata.
database
_ is a collection of programs that manages structure and controls access to data. (Acronym is not allowed)
database management systems
The following are the roles and advantages of DBMS:
*Improved data sharing
*Improved data security
*Better data integration
*Minimized data inconsistency
*Improved data access
*Improved decision making
*Increased end-user productivity
The following are the roles and advantages of DBMS:
*Improved _________ sharing
*Improved data _________
*Better data _________
*Minimized data _________
*Improved _________ access
*Improved decision _________
*Increased _________ productivity
- data
- security
- integration
- inconsistency
- data
- making
- end-user
Workgroup and enterprise database are examples of this type of database:
Multi-user Database
This type of database stores data used for tactical or strategic decisions.
Data Warehouse
Operational
Distributed
Centralized
Data Warehouse
(T or F) File systems typically composed of collection of file folders, each tagged and kept in cabinet
T
(T or F) Knowledge of file system is useful when converting file system to database system
T
(T or F) In DBMS each file used its own application program to store, retrieve and modify data.
F
It is a character or group of characters that has a specific meaning. It is used to define and store data.
- record
- data
- file
- field
field
A logically connected set of one or more fields that describes a person, place or thing.
data
field
record
file
record
(T or F) If the same data is stored unnecessarily in different places, then data redundancy is present.
T
Data _ : different and conflicting versions of same data occur at different places
inconsistency
