WGU C170 (WGUC170)

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. algorithms - -A process or set of operations in a calculation. automatic query optimization - -A method by which a DBMS finds the most efficient access path for the execution of a query. B-tree index - -An ordered data structure organized as an upside-down tree. bitmap index - -...

WGU Course C170 - Data Management (Applications) Quizlet by Brian MacFarlane. Questions and answers, 100% Accurate. Latest Updates. 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 D Which kind of relationship is displayed in this entity-relationship diagram? A Many-to-many unary B Many-to-many binary ...

Nora’s Bagel Bin Database Blueprints (continued) Final Physical Database Model • Fill in the table names, attribute name, and table relationship cardinalities using the values from your completed 3NF diagram. o Rename any fields that have unusable database characters, like spaces (e.g., change “First Name” to first_name or firstname.) • Assign one of the following five data types to each attribute: CHAR(), VARCHAR(), TIMESTAM...

WGU Course C170 - Data Management Applications with complete solution guide

Second Normal Form (2NF) Bagel ID • Separate the data that depend on just one of the two parts of the primary key into separate tables. • Keep any columns in the original table (now named "Bagel Order Line Item") that still depend on both parts of the original primary key. • Fill in each shaded cell within the tables with an attribute from the 1NF blueprint in the previous section. • Fill in the dotted cells between the tables with t...

Second Normal Form (2NF) Bagel ID • Separate the data that depend on just one of the two parts of the primary key into separate tables. • Keep any columns in the original table (now named "Bagel Order Line Item") that still depend on both parts of the original primary key. • Fill in each shaded cell within the tables with an attribute from the 1NF blueprint in the previous section. • Fill in the dotted cells between the tables with the cardinality o...

WGU C170 Performance Assessment Complete Solutions With Latest Test Syntax for updating a specific column in a specific row UPDATE <table> SET <atrribute> = <value> WHERE <primary key> = <value>; Syntax for deleting a row DELETE FROM <TableName> WHERE <PrimaryKey> = <#>; Syntax for creating a view CREATE VIEW <name> AS SELECT <columnname> CONCAT (<attribute>, ' ', <attribute>) AS <newname>, <attributes&gt...

C170 Performance Assessment Data Management Applications (Western Governors University