Question1. (TCO B) Maximum cardinality refers to _____.the most instances of one entity class that can be involved in a relationship with one instance of another entity classthe maximum number of entity classes involved in a relationshipwhether or not an instance of one entity class is required to be related to an instance of another entity classwhether or not an entity is a weak entityNone of the aboveQuestion 2. (TCO B) The characteristics of a thing are described by its _____.identifiersentitiesobjectsattributesrelationshipsQuestion 3. (TCO C) The identifier of the entity becomes the _____ of the corresponding table.A. primary keyB. foreign keyC. supertypeD. subtypeBoth A and BQuestion 4. (TCO C) In a relational database design, all relationships are expressed by _____.creating a primary keycreating a foreign keycreating a supertypecreating a subtypecreating a line between entitiesQuestion 5. (TCO C) In relational database design, ID-dependent entities are used to _____.represent N:M relationshipshandle associative relationshipshandle multivalued attributeshandle archetype/instance relationshipsAll of the aboveQuestion 6. (TCO B) Match the following terms to their definitions.Potential Matches:1 : something that the users want to track in their environment2 : an entity whose identifier includes the identifier of another entity3 : describes characteristic of an entity4 : an entity whose existence depends on the presence of another entity but whose identifier does not include the identifier of the other entity5 : an entity that holds specialized attributes that distinguish it from one or more other similar entitiesAnswer: ID-dependent entity: Subtype: Weak entity: Attribute: EntityQuestion 7. (TCO C) How would you represent a one-to-many strong entity relationship in a physical relational database design?
Need Help Writing an Essay?
Our team of talented writers is ready to assist. We offer essay writing help in over 75 disciplines, ensuring a convenient and comprehensive solution for all your academic needs!
Get Help Now!Get Quick Assignment Writing Help – No Plagiarism Guarantee!
Online assignment writing service website that provide university students with original and quality academic essays, term papers, admission essays, annotated bibliographies, reports, scholarship essays, personal statements, research proposals, research papers, projects, presentations, dissertation, theses, movie reviews, Book reviews, application papers, among others.
Having trouble with a homework question? Our skilled assignment writers are here to provide answers to all types of queries, ranging from fundamental mathematics to cutting-edge rocket science!
