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Getting started with Data Management

Getting started with Data Management

Data Management

We’ve all heard of “garbage in, garbage out”, so even though the primary focus of any statistical analysis will be the outcome, that will be next to useless without the proper raw materials. Indeed, many analysts might claim that the process is in...
What does normalising data mean?

What does normalising data mean?

Data Management, Databases

Definition Relational databases use a concept called normalisation to reduce the amount of duplication and redundancy in the database, and also to help improve data integrity. As an example, assume you have a single table holding orders. Some of the fields in that...