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fa6 database

QuestionAnswer
An OLAP operation that is also known as consolidation, use to summarize operation data along with the dimension. DRILL-UP
The full form of DOLAP acronym is DESKTOP OLAP
An OLAP operation that performs the analysis by taking one level of information for display. SLICE
This strategy is also known delta, where only the data being changed is extracted and update data warehouses. Partial Extraction (without update notification)
An OLAP system that utilizes multi-dimensional database for storing and analyzing information. MOLAP
An ETL loading type that applies ongoing changes as when needed periodically. INCREMENTAL LOAD
Which type of ETL Loading process populates all the data warehouse tables? INITIAL LOAD
Clustering technique is a supervised learning. False (unsupervised)
Classification technique is an unsupervised learning. False (supervised)
Machine Learning refers to the algorithms that can learn from data to make predictions. True
Unsupervised learning is a predictive analysis. False (descriptive)
In the 9-step KDD process, choosing a data mining task is the same as choosing data mining algorithm. False
The 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. DEPLOYMENT
A type of data mining algorithm that is used to mine data and provide the latest information on past or recent events. DESCRIPTIVE ANALYSIS
Data mining is applied in _________ websites to offer cross-sells and up-sells through their websites. E-COMMERCE
A DM algorithm that do not require a predefined set of outputs but rather look for patterns or trends without any label or target. UNSUPERVISED LEARNING
The Naïve Bayes algorithm is a _________ data mining. CLASSIFICATION
A ______ is a data structure that allows fast analysis of data according to the multiple dimensions that define a business problem. OLAP CUBE
The ______ operation perform the analysis that can gain a new view of data by rotating the data axes of the cube. PIVOT
An ETL loading type that populates all the data warehouse tables. INITIAL LOAD
The DEPLOYMENT phase of CRISP-DM consists of presenting the results in a useful and understandable manner, and by achieving this, the project should achieve its goals. True
The EVALUATION 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. False (DEPLOYMENT)
Decision Tree is an example of a classification algorithm. True
Clustering technique is an unsupervised learning. True
A data mining technique that is used to determine when something is noticeably different from the regular pattern. ANOMALY DETECTION
The ________ is about processing data and identifying patterns and trends in that information so that you can decide or judge. DATA MINING
The _______ analysis provides answers of the future queries that move across using historical data as the chief principle for decisions. PREDICTIVE
What is the full form of the acronym OLAP? ONLINE ANALYTICAL PROCESSING
An OLAP system that utilizes multi-dimensional database for storing and analyzing information. MOLAP
An OLAP operation that performs analysis in deeper among the dimensions of data. DRILL-DOWN
An OLAP system that is created to facilitate management of both spatial and non-spatial data in a Geographic Information system. SOLAP
The descriptive analysis provides answers of the future queries that move across using historical data as the chief principle for decisions. False (PREDICTIVE)
Classification technique is a supervised learning. True
The predictive analysis provides answers of the future queries that move across using historical data as the chief principle for decisions. True
A DM algorithm that has an assumption: Every feature of the data being classified is independent of all other features given the class. NAIVE BAYES
These are algorithms that can learn from data to make predictions. MACHINE LEARNING
What is the 4th step in CRISP-DM? MODELING
OLAP is located in between Front-end tools and _____________. DATA WAREHOUSE
An ETL loading type that erase the contents of one or more tables and reloads with fresh data. FULL REFRESH LOAD
A data mining technique that is used to make predictions based on relationships within the data set. REGRESSION
It refers to the numeric study of data relationships. STATISTICS
Classification technique is a(n) ________ learning. SUPERVISED
Created by: user-1929211
 

 



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