FA6 - Sheet1 Flashcards
ETL is an acronym for : ______, _________,________. Note: Separate each word by a space.
EXTRACT TRANSFORM LOAD
The ______ operation perform the analysis that can gain a new view of data by rotating the data axes of the cube.
PIVOT
An OLAP system that utilizes multi-dimensional database for storing and analyzing information. Note: Write only the acronym.
MOLAP
A ______ is a data structure that allows fast analysis of data according to the multiple dimensions that define a business problem.
OLAP CUBE
ETL loading type that applies ongoing changes as when needed periodically.
INCREMENTAL LOAD
An ETL loading type that applies ongoing changes as when needed periodically.
Group of answer choices
FULL LOAD
PARTIAL LOAD
FULL REFRESH LOAD
INCREMENTAL LOAD
INCREMENTAL LOAD
Which type of ETL Loading process populates all the data warehouse tables?
Group of answer choices
INITIAL FULL LOAD
INITIAL LOAD
FULL REFRESH LOAD
FULL LOAD
INITIAL LOAD
This strategy is also known delta, where only the data being changed is extracted and update data warehouses.
Group of answer choices
Partial Extraction (without update notification)
Partial Extraction (with update notification)
Partial Extraction (with update notification)
The type of OLAP system that works on the information that resides in a relational database.
Group of answer choices
ROLAP
HOLAP
MOLAP
DOLAP
ROLAP
The HOLAP system is a blend of _______ and MOLAP.
Group of answer choices
DOLAP
WOLAP
SOLAP
ROLAP
ROLAP
The predictive analysis provides answers of the future queries that move across using historical data as the chief principle for decisions.
Group of answer choices
True
False
t
Machine Learning refers to the algorithms that can learn from data to make predictions.
Group of answer choices
True
False
True
Clustering is an unsupervised learning.
Group of answer choices
True
False
t
The DEPLOYMENT phase of CRISP-DM that consists of presenting the results in a useful and understandable manner, and by achieving this, the project should achieve its goals.
Group of answer choices
True
False
t
The descriptive analysis provides answers of the future queries that move across using historical data as the chief principle for decisions.
Group of answer choices
True
False
False
A data mining technique that is used to make predictions based on relationships within the data set.
Group of answer choices
REGRESSION
CLUSTER ANALYSIS
ANOMALY DETECTION
CLASSIFICATION
REGRESSION
A DM algorithm that do not require a predefined set of outputs but rather look for patterns or trends without any label or target.
Group of answer choices
UNSUPERVISED LEARNING
SUPERVISED LEARNING
UNSUPERVISED LEARNING
Classification technique is a(n) ________ learning.
Group of answer choices
SUPERVISED
UNSUPERVISED
SUPERVISED
The CRISP-DM phase that sets the initial data collection and proceeds with activities in order to get familiar with the data.
Group of answer choices
Data collection
Data preparation
Business understanding
Data understanding
Data understanding
Decision Tree is an example of a(n) _________ algorithm.
Group of answer choices
CLUSTERING
REGRESSION
ASSOCIATION
CLASSIFICATION
CLASSIFICATION
An OLAP operation that performs analysis in deeper among the dimensions of data.
DRILL-DOWN
The HOLAP system is a blend of _______ and MOLAP. Note: Write only the acronym.
ROLAP
The ________ type of ETL Loading process populates all the data warehouse tables.
INITIAL LOAD
OLAP is located in between Front-end tools and _____________.
DATA WAREHOUSE
A ______ is a data structure that allows fast analysis of data according to the multiple dimensions that define a business problem.
Group of answer choices
DIMENSION TABLE
OLAP SERVER
OLAP CUBE
FACT TABLE
OLAP CUBE