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

WGU C170 Data Management - Applications|Latest Update Complete with A+ Graded Answers 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 c...

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 Application. Exam Review. Graded 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 kind of relationship is displayed in this entity-relationship diagram? Many-to-many unary Which kind of relationship is displayed in this entity-relationship diagram? Unary one-to-one How is this portion of the entity-relationship diagram read, from left to right? At least one book was written by an author. Wh...

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WGU C170 Data Management Applications Practice Exam Questions (over 400 Questions & Answers) WGU C170 Data Management Applications Practice Exam Questions (over 400 Questions & Answers)

AREA - -In DB2, a named section of permanent storage space that is reserved to store the database. associative entity - -See composite entity. bridge entity - -See composite entity. candidate key - -A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - -A property of relational operators that permits the use of relational algebra operators on existing tables (relations) to produce new relations. composite entity - -An...

WGU C170 Data Management Application. Exam Review. Graded A+

WGU C170 DATA MANAGEMENT APPLICATIONS OA EXAM AND STUDY GUIDE LATEST 2024 ACTUAL EXAM 400 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) ALREADY GRADED A+.

WGU C170 Data Management Applications (over 400 Questions And Answers) Recent Updated exam