0
Add your answer:
Earn +20 pts
What is entity classes?
same as entity class or entity type or entity set
Difference between entity type and entity set?
lets understand them all: 1.An Entity is a real world "thing" which have independent existence. 2.Entity type is a category. 3.entity type is strictly calling, "an instance of entity type". 4.An entity type defines a collection of entities that have the same attributes. 5.Entity set : the collection of all entities of a particular entity type in the database at any point of time is called Entity set.
What is Entity instances?
Entity instance is a single occurrence of an entity type. Also known as an instance. Unlike entity type, many instances of entity type may be represented by data stored in the database.
What is an extension of an entity type?
its an set of entity
Entity type vs entity instance?
Entity Type : A collection of entities that share common properties or characteristics. for example student is an entity type with common attributes such as student_ID , Name, Class etc. These characteristics are common to all students. Entity Instance: A single occurrence of a particular entity type is called entity instance..
Can you have bv and be pregnant?
You can have bv and be pregnant.
A relationship between the instances of a single entity type is called a ........................?
A relationship between instances of a single entity type is called a self-relationship or recursive relationship. This type of relationship occurs when an entity is related to other instances of the same entity type within the same entity set.
What is the difference between the class and the entity?
A class is a type. An entity is a object created from this type. A class is like a definition and the entity behaves as per this definition.
When was .bv created?
.bv was created in 1997.
Which entity type depends is called identifying owner?
weak entity
If you have BV can you still get your period?
BV will not affect the period.
What does the acronym bv mean?
BV is Bacterial Vaginosis.
