It c170 Study guides, Class notes & Summaries

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...

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 ...

WGU C170 - Data Management – Applications. Exam Review Questions and answers, rated A+ 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 o...

WGU C170 - Data Management Applications.|A+ Graded Update 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? Many-to-many Which two examples are attributes? 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? Set-to-null Refer to the given SQL statement. ...

WGU C170 Top Questions and Accurate answers. Rated A+. 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? - -Many-to-many Which two examples are attributes? - -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? - -Set-to-Null member_id INT UNSIGNED NOT NULL AUTO_INCRE...

WGU C170 - Data Management Applications 2023 Rated A+. Which kind of relationship is displayed in this entity-relationship diagram? A Binary many-to-many B Unary one-to-one C Ternary many-to-many D Ternary one-to-one D Unary many-to-many E Binary one-to-one - Answer B How is this portion of the entity-relationship diagram read, from left to right? A At least one book was written by an author. B Only one book was written by one author. C No books are written by an author. D One book wa...

WGU C170 - Data Management – Applications Latest 2024 Already Graded A 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...

IT WGU C170 Performance Assessment (COMPLETE LATEST SOLUTION )UPDATED 20222023 IT WGU C170 Performance Assessment (COMPLETE LATEST SOLUTION )UPDATED 20222023

WGU C170 - Data Management Applications 2023 Rated A+. 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 - 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-one binary - Answer A Which kind of relationship is...

WGU C170 - Data Management – Applications, Exam Review Questions and answers, graded A+. VERIFIED. 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 o...