Producing a robust and efficient data query is not just about finding the appropriate load and transform functions and placing them in the correct sequence. It is also about extending, maintaining, and updating the process. This can be either to correct an error once the query is being tested or to adapt a query to new requirements. This chapter will introduce you to some of the techniques that you can apply to handle the various stages of the query life cycle.
Delivering revelatory analytics can mean sourcing data from a large range and variety of queries. It ...
