Answer: CARDINALITY RATIO AND PARTICIPATION
ADVANTAGE
CARDINALITY RATIO
(THEY ARE USED TO SIMPLIFY DESIGNS)
DISADVANTAGE OF CARDINALITY RATIO IS THAT
(YOU CAN NOT SPECIFY A GIVEN NUMBER TO BE MAXIMUM)
ADVANTAGE OF PARTICIPATION CONSTRAINT IS THAT
(IT SHOWS WETHER THE EXISTENCE OF AN ENTITY IS DEPENDENT ON ITS RELATIONSHIPS WITH ANOTHER ENTITY)
DISADVANTAGE OF PARTICIPATION CONSTRAINT
(IT IS A COSTLY AFFAIR USING BOTH MODELS TO EXPRESEE RELATIONSHIPS).
Explanation:CARDINALITY RATIO specifies that maximum number of relationships an entity can engage itself in.
Participation constraint is a constraint that
Specifies whether the existence of an entity depends on its Relationships to another entity, it specifies the the minimum number of relationship instances that an entity can participate in
It is also minimum cardinality constraint,it has two types named as Total participation and partial participation.
Bend surface in water! Hopefully this helps, I looked it up!
Answer:
On a surface.
Explanation:
Asperities are microscopic peaks and valleys on a surface. This simply means that, when asperities contacts, surfaces also make contact. Asperities are the roughness or unevenness of a surface coming in contact during wear or friction.
Answer:
- She’s A Biochemist
- She’s An Accomplished Space Chef
- She holds the record for most time spent in a space station for an American astronaut — of any gender.
- She became the first woman to command the International Space Station twice.
- She made apple pie out of tortillas
