Athletes dating models
Primary key: A candidate key chosen by the database designer to uniquely identify the entity set.
A strong entity can be defined solely by its own attributes, while a weak entity cannot.
They also depict cardinality, which defines relationships in terms of numbers. Other examples: Customers who purchased last month, cars currently registered in Florida.
Here’s a glossary: A definable thing—such as a person, object, concept or event—that can have data stored about it. A related term is instance, in which the specific person or car would be an instance of the entity set.
Watson, a former track athlete, only made it to the Olympics after several countries failed to take their places in the skeleton even and he received a late call.
But he determined to take the unexpected opportunity with both hands and hopefully make his mark.‘This whole year has been a roller coaster of emotions,’ he said.