ETL Testing
Master Your ETL Skills
Test your knowledge of ETL (Extract, Transform, Load) processes with this engaging quiz designed for both beginners and experienced data engineers. Each question challenges you to think critically about various aspects of ETL, from file formats to data integrity methods.
Join now and find out if you're an ETL expert!
- 10 multiple-choice questions
- Learn about data transfer methods
- Improve your ETL knowledge
1. All data in flat file is in this format.
A. Sort
B. ETL
C. Format
D. String
2. The source system initiates the data transfer for the ETL process. This method is uncommon in practice, as each system would have to move the data to the ETL process individually.
A. Custom
B. Automation
C. Pull method
D. Push method
3. Which of the below is similar to XML’s structured text file.
A. Data Scrubbing
B. EBCDIC
C. String
D. Web Scraping
4. What do you mean by Flat file control
A. Three components of data flow.
B. It is used to import text files for ETL processing.
C. The easiest to consume from the ETL standpoint.
D. Shows the path to the file to be imported.
5. Two methods to ensure data integrity.
A. Sources, Transformation, Destination
B. Data inspection
C. Row Count Inspection, Data Inspection
C. Row Count Inspection
6. Load in Parallel
A. A value of delimited should be selected for delimited files.
B. Data is pulled from multiple sources to be merged into one or more destinations.
C. This will reduce the run time of ETL process and reduce the window for hardware failure to affect the process.
D. This should be check if column name have been included in the first row of the file.
7. Three common usages of ETL.
A. Data Scrubbing
B. Sources, Transformation, Destination
C. Merging Data
D. Merging Data, Data Scrubbing, Automation
8. This is used to create multiple streams within a data flow from a single stream. All records in the stream are sent down all paths. Typically uses a merge-join to recombine the streams later in the data flow.
A. OLTP
B. Mainframe
C. EBCDIC
D. Multicast
9. What ETL Stands for
A. Excess Truncate Load
B. Transformation
C. Extract, Transform, Load
D. Data Flow
10. Mainframe systems use this. This requires a conversion to the more common ASCII format.
A. ETL
B. XML
C. Sort
D. EBCDIC
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