Data Migration Specialist Interview Questions and Answers

Checklist for data migration includes planning, data profiling, data cleansing, testing, and validation.

• Plan the migration process

• Profile the data to identify potential issues

• Cleanse the data to ensure accuracy and consistency

• Test the migration process thoroughly

• Validate the migrated data to ensure completeness and accuracy

Product lifecycle management is the process of managing the entire lifecycle of a product from inception, through engineering design and manufacture, to service and disposal of manufactured products.

• Involves managing product development, launch, growth, maturity, and decline stages

• Includes activities such as product design, manufacturing, marketing, sales, and customer support

• Helps optimize product performance, reduce costs, and improve customer satisfaction

• Examples include s...read more

Various types of joins in SQL include inner join, outer join, left join, right join, and full join.

• Inner join: returns rows when there is a match in both tables

• Outer join: returns all rows when there is a match in one of the tables

• Left join: returns all rows from the left table and the matched rows from the right table

• Right join: returns all rows from the right table and the matched rows from the left table

• Full join: returns rows when there is a match in one of the tables

I am familiar with a variety of software used for data migration, including ETL tools like Informatica and Talend, as well as database management systems like Oracle and SQL Server.

• ETL tools like Informatica and Talend

• Database management systems like Oracle and SQL Server

• Data migration tools like AWS Database Migration Service

• Scripting languages like Python and SQL for data manipulation