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WorksheetsData warehouse unit 1
Total questions: 15
Worksheet time: 3mins
Which is not a property of data warehouse?
subject oriented
time variant
collection from heterogeneous sources
volatile
data warehousing used in_______________
transaction system
decision support system
What are the characeristics of OLAP systems?
query driven
integrated
less users
store current data
Which system is application oriented?
Online transaction processing system
Online analytical processing system
Which operation can perform on data warehouse?
read/write
modify
alter
scan
data warehouse is based on_____________
two dimensional model
three dimensional model
multidimensional model
unidirectional model
Data warehousing is related to______
create data warehouse
update data
scan and load data for analysis
write new data
Data mining means______
data fetching
data accesing
knowledge discovery
Which book is suggested for reference?
Pieter Adriaans
Arun k Pujari
Han and Kamber
Margerat
multidimensional model of data warehouse called as__
data structure
table
data cube
tree
a data warehouse can include
flat-files
database table
online data
all
OLAP usage
repetitive
adhoc
none
subject name
DM
DMDW
DWDM
DWM
tool going to use in LAB
Jupyter
Weka
Shawak
Eclipse
Do u like this subject?
yes
no
