It c170 Study guides, Class notes & Summaries

WGU C170 Objective Assessment With Complete Solution WGU C170 Objective Assessment – Edward M Burke First Normal Form – 1 Table I gleaned this table from the unstructured data contained within the order form. I made sure not to have any redundant groups, and each column in thetable will contain atomic values. Donut ID, Donut Name, Donut Quantity, UnitPrice, and Donut Description are an example of a repeating group. As I mentioned earlier, in order to achieve first normal form, we mu...

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. 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 displayed in ...

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. ...

IT WGU C170 Performance Assessment Section 1 First Normal Form I gathered all the data from the sales invoice and created an unnormalized dataset. I determined the primary key that provided me with a unique value for all my records in this table. I used composite primary keys because both keys would be able to uniquely identify all the data in the table. Finally, I removed all the repeating groups and made the address atomic by creating separate fields for each one

Data Management Applications C170 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 attribute, each column has a dis...

WGU C170 - Data Management – Applications, 100% Accurate. VERIFIED. Access plan - -A set of instructions generated at application compilation time that is created and managed by a DBMS. The access plan predetermines how an application's query will access the database at run time. Alias - -An alternative name for a column or table in a SQL statement. ALTER TABLE - -The SQL command used to make changes to table structure. When the command is followed by a keyword (ADD or MODIFY), it a...

WGU C170 Terms.|Latest Update Complete with A+ Graded Answers Associative Entity All relationships for the (...) entity should be many. Attribute An (...) is a property or characteristic of an entity. Binary relationship A (...) is a relationship between two entity types. Cardinality (...) represents the maximum number of entities that can be involved in a particular relationship. Cascade Delete Will delete all records that reference the primary key Database A (.....

WGU C170 Chapter 1|Latest Update Complete with A+ Graded 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 existin...

IT WGU C170 Performance Assessment Section 1 First Normal Form I gathered all the data from the sales invoice and created an unnormalized dataset. I determined the primary key that provided me with a unique value for all my records in this table. I used composite primary keys because both keys would be able to uniquely identify all the data in the table. Finally, I removed all the repeating groups and made the address atomic by creating separate fields for each one.