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Data Engineering Quiz

Test your knowledge with our challenging quiz on data engineering concepts! This quiz covers various topics such as Slowly Changing Dimensions, SQL queries, and DataStage operations.

Whether you are looking to reinforce your skills or learn something new, this quiz is designed for you. Topics include:

SCD Types and Differences
SQL Query Mastery
Data Management Best Practices

10 Questions2 MinutesCreated by QueryMaster247

What is the difference between SCD1 and SCD2?

Write a select which shows the rows where more then one NAME belongs to an ID in table name EMPLOYEES.

What can cause the problem if you get an error at the end of a sequence at INSERT: insert failed duplicate key

You have an SCD2 table with column names ID and INSERT_DATE and you have several rows for an ID. Write a select wich shows the 2nd latest rows of all IDs, if only one row belongs to an ID then show that one.

Write a select which shows the common records of two tables.

What does the WITH UR statment means?

What does the following line means in a shell script: dataset_name=$1

What is a fact table if we are talking about start schema?

You receied a request to modify an existing datastage job. In the request you have all the required information. What is the first you do?

How can you get rid of the duplicate rows in datastage?

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