When it comes to capturing and analyzing data, IT departments have more choices today than ever. And choice is a good thing. However, in order to pick the right tool for the job, you need to fully ...

Rather than storing information in one table, relational databases store data across several tables. In a relational database ... of an entity relationship diagram. There are two ways to do ...

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Data can then be added in the form of records ... deletion and update anomalies. In a relational database, it is necessary to define the relationship that exists between different entities.