Usually, our applications operate with the current state of a domain object. But sometimes, we need to know the entire history of the domain object changes. For example, we want to know how an order ...

MongoDB (MDB) shares crashed and fell more than 20% in extended trading on Monday after the enterprise software company reported mixed guidance compared to Wall Street's forecast. Looking to the first ...

Pony is an advanced object-relational mapper. The most interesting feature of Pony is its ability to write queries to the database using Python generator expressions and lambdas. Pony analyzes the ...

There are many ways to describe a database: the role it plays in a distributed architecture, the various internal components that make it work, and the various levels that define specific roles and ...

Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects simply to a non-technical, business audience. Over… DBMSs are important ...

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Most projects benefit from having a data model. This article gives an overview of the most common types. At its heart, data modeling is about understanding how data flows through a system. Just as a ...