Primary key

Primary key

In relational databases, an attribute in an entity that uniquely identifies rows of that entity. For example, the Employee entity can contain an empID attribute that uniquely identifies each employee.

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Industry/Domain: Software; Computer
Category: Operating systems
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Ponzi scheme

A scam, named after its most prolific perpetrator Charle's Ponzi who ran a large scale version of the trick in 1920. The scheme relies on attracting ...