MCQ IN COMPUTER SCIENCE & ENGINEERING

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COMPUTER SCIENCE AND ENGINEERING

SQL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Extract, Transform, Load (ETL) process, which can be implemented by the using which tool. Choose the correct answer
A
ETL tool
B
TLE tool
C
LTE tool
D
None of the above
Explanation: 

Detailed explanation-1: -Talend Open Studio. Talend’s ETL tool is the most popular open source ETL product. Open Studio generates Java code for ETL pipelines, rather than running pipeline configurations through an ETL engine. This approach gives it some performance advantages.

Detailed explanation-2: -The 5 steps of the ETL process are: extract, clean, transform, load, and analyze. Of the 5, extract, transform, and load are the most important process steps. Clean: Cleans data extracted from an unstructured data pool, ensuring the quality of the data prior to transformation.

Detailed explanation-3: -The extraction step of an ETL process involves connecting to the source systems, and both selecting and collecting the necessary data needed for analytical processing within the data warehouse or data mart.

Detailed explanation-4: -ETL, which stands for extract, transform and load, is a data integration process that combines data from multiple data sources into a single, consistent data store that is loaded into a data warehouse or other target system.

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