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In an Entity-Relationship (ER) diagram, "disjoint" refers to a constraint applied to a specialization hierarchy. It indicates that an entity can belong to only one subtype within the hierarchy at any given time, meaning that the subtypes are mutually exclusive. For example, if an entity "Vehicle" is specialized into "Car" and "Truck," a specific instance of "Vehicle" can be either a "Car" or a "Truck," but not both. This helps ensure clarity in data modeling by defining clear boundaries between different categories of entities.
What else can I help you with?
Can two disjoint sets be equivalent?
Yes,Because not all disjoint no equivalent other have disjoint and equivalent
If A and B are disjoint and B and C are disjoint are A and C disjoint?
Not necessarily. For a counterexample, A and C could be the same set.
What is a joint sets and disjoint sets?
Joint sets:Joint sets are those which have common elements Disjoint sets : A pair of sets is said to be disjoint if their intersection is the empty set. That is to say, if they share no elements. All of the usual operations can be performed on disjoint sets, so long as the operation makes sense. (For example, taking the complement of one with respect to the other could pose problems.)
What is a disjoint events mean?
In probability theory, disjoint events are two (or more) events where more than one cannot occur in the same trial. It is possible that none of them occur in a particular trial.
How do you write a whole number as imprper fractions?
You cannot: whole numbers and improper fractions are disjoint sets.
What are the differences between EER diagrams and ER diagrams?
Extended ER diagram is a variant of ER diagram. EER include ER diagram + hierarichal concept. Extended ER diagram is also called Enhance ER diagram(EER).
Drow a er diagram of a supermarket?
supermarket (ER-Diagram)
An ER diagram for a website?
I 'm need ER diagram for websit news
Where can you find an ER diagram on online shopping?
ER Diagram of online shopping
How can you make Er diagram of online shopping?
Er diagram of on line shopping
How do you draw a ER diagram for an automobile industry?
How do you draw a ER diagram for a automobile industry?
How do you draw the ER Diagram for online tour site?
draw the er diagram for tours
How do you draw the ER diagram of bus reservation?
You also can draw your ER diagram by so many ways. A software called Edraw is a better software to draw the ER diagram. This one has some ready-to-use ER diagrams templates conceptdraw.com/How-To-Guide/er-diagram
Examples of ER diagram for car company?
what is example of ER diagram for rental car company ?
How is Er diagram of human resource management?
Er diagram of human resource managenent system
Er diagram on regional transport office project?
er diagram for rto management system
What is significance of ER diagram?
This will depend on what you mean by ER diagram. This could be an entity relationship diagram that shows how to maximize your business intelligence.
