Wgu c170 data management - Study guides, Class notes & Summaries

WGU C170 Data Management – Applications, Exam Review. Rated A+

WGU C170 Data Management Applications Practice Exam Questions (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 Correct answer- 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-o...

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 And Answers) Recent Update 2023 Download to Pass..docx

WGU C170 Data Management – Applications, Rated A+. VERIFIED

Sales order 1NF WGU C170 Data Management - Applications Performance Assessment. EXPLANATION: I am going to call this table the "Order Table" I also need to make sure that this table contains a primary Key, in this particular table I am going to make the “OrderID” and “DonutID” the Primary Key (composite key), the reason I chose to use OrderID and DonutID as the primary key is because Order ID or DonutID by themselves do not guarantee Uniqueness but when combined uniqueness ...

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

A database model - -is a conceptual framework for database software The relational model - -is a database model based on mathematical principles, with three parts: 1. A data structure that prescribes how data is organized. 2. Operations that manipulate data structures. 3. Rules that govern valid relational data. A domain - -is a named set of possible database values, such as integers, dictionary words, or logical values TRUE and FALSE. A tuple - -is a finite sequence of values, each drawn...

WGU C170 Data Management Applications (over 200 Questions & Answers)