Wgu c170 data management 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...

WGU C170 Data Management Applications (over 400 Questions And Answers) Recent Update 2023 Download to Pass..docx

WGU C170 Data Management - Applications - OA GSA1 Already Passed Add New Row INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, value3, ...); Update Row UPDATE table_name SET column1 = value1, column2 = value2, ... WHERE condition; Delete Row DELETE FROM table_name WHERE condition; Inner Join SELECT column_name(s) FROM table1 INNER JOIN table2 ON n_name = n_name; CREATE VIEW CREATE VIEW viewname AS SELECT Col1, Col2 FROM table WHERE condition; Concatenate CONCAT(Col1, Co...

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 Application Questions with 100% Correct Answers | Latest Version 2024 | Verified

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

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, Exam Review. 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 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...

WGU C170 Data Management Applications (over 400 Questions And Answers) Recent Update 2023 Download to Pass..docx