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FREE Data Engineering Fundamentals Questions and Answers
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Which of the following commands belongs to the data manipulation language?
Grant, Revoke
Alter, Create, Drop
Select, Insert, Delete
Rollback, Commit
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Wrong!
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Which of the following is NOT a part of the ETL / ELT process:
Load
Export
Extract
Transform
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Wrong!
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The following are components of the Data Pipeline in which Data Engineers play a significant role in:
Prepare and Visualize Data
Analyze and Visualize Data
Collect and Analyze Data
Collect and Prepare Data
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Which of the following is NOT a common source of big data?
Sensors
Google Trends
Official Statistics Surveys
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Wrong!
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The process of normalizing a data model is one of the steps in data modeling, particularly in...
Conceptual Data Model
Physical Data Model
Schema Data Model
Logical Data Model
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We need data engineers for a number of reasons, EXCEPT:
Various Data Format
Various Technologies
Various Data Sources
Various Capabilities
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Three different types of data models are listed below, EXCEPT:
Physical Data Model
Logical Data Model
Conceptual Data Model
Schema Data Model
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