ETL Developer Interview Questions and Answers for Freshers

Yes, I am open to taking on a testing project as part of my role as an ETL Developer.

• I have experience with testing tools and methodologies in my previous roles.

• I understand the importance of testing in ensuring data accuracy and quality.

• Taking on a testing project will help me improve my skills and knowledge in ETL development.

Use TRY...CATCH block in SQL to handle errors in Stored Procedures

• Enclose the code inside a TRY block

• Use a CATCH block to handle any errors that occur

• Use RAISEERROR or THROW statement to raise custom error messages

• Use @@ERROR or @@ROWCOUNT to check for errors or affected rows

I am using Talend version 7.3.1 for ETL development.

• I am currently using Talend version 7.3.1 for ETL development.

• The specific version of Talend being used is 7.3.1.

• Talend 7.3.1 offers various features and improvements for ETL processes.

Use a stored procedure to prompt user for input in ETL process.

• Create a stored procedure with parameters to accept user input.

• Use the parameters in the stored procedure to filter or manipulate data.

• Prompt the user for input values when calling the stored procedure.

SSIS is a Microsoft tool used for ETL processes in data integration and data warehousing.

• SSIS stands for SQL Server Integration Services

• It is used for extracting, transforming, and loading data from various sources to destinations

• SSIS can be used for automating workflows, data cleansing, and data migration tasks

• It provides a visual interface for designing data flow tasks and control flow tasks

• Example: Using SSIS to extract data from a CRM system, transform it into a standardi...read more