Binary relati - Study guides, Class notes & Summaries

WGU C170 Chapter 2, Exam Review. 100% Accurate. Rated A+ binary relationship - -An ER term for an association (relationship) between two entities. For example, PROFESSOR teaches CLASS. cardinality - -An attribute that can be further subdivided to yield additional attributes. For example, a phone number such as may be divided into an area code (615), an exchange number (898), and a four-digit code (2368). Compare to simple attribute. composite identifier - -In ER modeling, a key compo...

DATA 630: Applied Database Management Week 1-5 Quizes with Correct Answers Historically, what has driven many information technology developments? - Answer-Data needs What is data modeling primarily used for? - Answer-To represent relationships between business entities In data-related terms, what is an entity? - Answer-A thing in the real world with an independent existence What is a record in storage-related terms? - Answer-A group of related fields What is the primary feature of a d...

WGU C170 Data Management Applications (over 400 Questions & Answers) A salesperson is authorized to sell many products and a product can be sold by many salespersons. Which kind of binary relationship does this scenario describe? A One-to-one B One-to-many C One-to-one binary D Many-to-many D Which kind of relationship is displayed in this entity-relationship diagram? A Many-to-many unary B Many-to-many binary C One-to-one unary D One-to-one binary A Which kind of relations...

WGU C170 Data Management Applications (over 400 Questions & Answers) A salesperson is authorized to sell many products and a product can be sold by many salespersons. Which kind of binary relationship does this scenario describe? A One-to-one B One-to-many C One-to-one binary D Many-to-many D Which kind of relationship is displayed in this entity-relationship diagram? A Many-to-many unary B Many-to-many binary C One-to-one unary D One-to-one binary A Which kind of relations...

A salesperson is authorized to sell many products and a product can be sold by many salespersons. Which kind of binary relationship does this scenario describe? - correct answersMany-to-many Which two examples are attributes? - correct answers An employee number A meeting code Which delete rule sets column values in a child table to a missing value when the matching data is deleted from the parent table? - correct answersSet-to-Null member_id INT UNSIGNED NOT NULL AUTO_INCREMENT, PRIMARY ...

WGU C170 Terms With Complete Solution Associative Entity Ans- All relationships for the (...) entity should be many. Attribute Ans- An (...) is a property or characteristic of an entity. Binary relationship Ans- A (...) is a relationship between two entity types. Cardinality Ans- (...) represents the maximum number of entities that can be involved in a particular relationship. Cascade Delete Ans- Will delete all records that reference the primary key Database Ans- A (...) is a collection of...

WGU C170 Data Management Applications (over 400 Questions & Answers) A salesperson is authorized to sell many products and a product can be sold by many salespersons. Which kind of binary relationship does this scenario describe? A One-to-one B One-to-many C One-to-one binary D Many-to-many D Which kind of relationship is displayed in this entity-relationship diagram? A Many-to-many unary B Many-to-many binary C One-to-one unary D One-to-one binary A Which kind of relations...

WGU C170 Data Management Applications (over 400 Questions & Answers) A salesperson is authorized to sell many products and a product can be sold by many salespersons. Which kind of binary relationship does this scenario describe? A One-to-one B One-to-many C One-to-one binary D Many-to-many D Which kind of relationship is displayed in this entity-relationship diagram? A Many-to-many unary B Many-to-many binary C One-to-one unary D One-to-one binary A Which kind of relations...