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ETL interview questions and answers for freshers and experienced - What is ETL process? How many steps ETL contains?, What is Full load & Incremental or Refresh load?, What is a three tier data warehouse?, What are snapshots? What are materialized views & where do we use them? What is a materialized view log?.....
https://www.tutorialspoint.com/etl_testing/etl_testing_interview_questions.htm
ETL Testing â Interview Questions - ETL stands for Extract, Transform, and Load. It is an important concept in Data Warehousing systems. Extraction stands for extracting data from different data s
https://mindmajix.com/ssis-interview-questions
Aug 16, 2018 · SSIS Interview Questions And Answers Q1) Difference between Execute TSQL Task and Execute SQL Task. ... Pros: Support output into variables and multiple types of connection, parameterized query possible. ... SSIS ETL Interview Questions Q1) What is the SSIS package and what does it do? ...Brand: Mindmajix
https://www.softwaretestinghelp.com/50-popular-sql-interview-questions-for-testers/
Nov 10, 2019 · Best SQL Interview Questions. Let's start. Q #1) What is SQL? Answer: Structured Query Language is a database tool which is used to create and access database to support software application. Q #2) What are tables in SQL? Answer: The table is a collection of record and its information at a single view. Q #3) What are different types of statements supported by SQL?
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