WGU C170 - Data Management

WGU C170 Data Management Applications (over 200 Questions & Answers) What is a table? A table is a persistent representation of a logical relation that is a relation whose contents can be saved for permanent use. What are the characteristics of a relational table? The characteristics of a relational table are that a table is perceived as a two-dimensional structure composed of rows and columns, each row (tuple) represents a single entity occurrence within the set, each column represents an...

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 PRE-ASSESSMENT: DATA MANAGEMENT - APPLICATIONS (FJO1) PFJO WITH COMPLETE SOLUTION PRE-ASSESSMENT: DATA MANAGEMENT - APPLICATIONS (FJO1) PFJO Attempt #1 Status: Passed 1. 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? YOUR ANSWER CORRECT ANSWER One-to-one One-to-many Many-to-many One-to-one binary 2. Which kind of relationsh...

domain - In data modeling, the construct used to organize and describe an attribute's set of possible values superkey - An attribute or attributes that uniquely identify each entity in a table. Any composite key with this is also this. candidate key - A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey entity integrity - The property of a relational table that guarantees each entity has a unique value in a primary key and that the key...

domain correct answersIn data modeling, the construct used to organize and describe an attribute's set of possible values superkey correct answersAn attribute or attributes that uniquely identify each entity in a table. Any composite key with this is also this. candidate key correct answersA minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey entity integrity correct answersThe property of a relational table that guarantees each entit...

WGU C170 - Data Management - Applications Domain In data modeling, the construct used to organize and describe an attribute's set of possible values. Primary key (PK) An identifier composed of one or more attributes that uniquely identifies a row. Also, a candidate key selected as a unique entity identifier. A minimal superkey. Key One or more attributes that determine other attributes. Determination The role of a key. In the context of a database table, the statement "A determines ...