In May 1961 Kennedy met with Soviet Premier Nikita Khrushchev in Vienna. Kennedy was hoping that he and Khrushchev could find a solution to avoid confrontation. Khrushchev moved to close off the flow of refugees from Communism in Berlin. He threatened that if Kennedy intervened, there would be war.
#1. C) An entity view of ability is consistent with performance goals. This view assumes that ability is stable and uncontrollable and, therefore, it cannot be changed. Given that you cannot change your ability through effort, you might as well look for situations in which you can perform effectively. Up.
Member of a strong entity set is a dominant entity. Member of a weak entity set is a subordinate entity. A weak entity set does not have a primary key, but we need a means of distinguishing among the entities. The discriminator of a weak entity set is a set of attributes that allows this distinction to be made. The primary key of a weak entity set is formed by taking the primary key of the strong entity set on which its existence depends (see Mapping Constraints) plus its discriminator.