Cleaning operations

In this exercise, you start with user data on the table on the left. It is then transformed and cleaned into the table on the right.

Two tables with the left table have duplicate rows and different formated dates and user names, and a right table with these issues removed

Select the true statement about which data cleaning processes were used to transform the data into the table on the right.

This exercise is part of the course

Data Warehousing Concepts

Turn theory into action with one of our interactive exercises