Wgu c170 er modeling Study guides, Class notes & Summaries

Unary relationships are common in manufacturing industries. - TRUE _________________ not only helps database designers to stay on track during the design process, it also enables them to pick up the design thread when the time comes to modify the design. - Documentation Ideally, an entity identifier is composed of _____ attribute(s). - one The first step in building an entity-relationship diagram (ERD) is ___________________________________________________________. - creating a detailed n...

Unary relationships are common in manufacturing industries. - TRUE _________________ not only helps database designers to stay on track during the design process, it also enables them to pick up the design thread when the time comes to modify the design. - Documentation Ideally, an entity identifier is composed of _____ attribute(s). - one The first step in building an entity-relationship diagram (ERD) is ___________________________________________________________. - creating a detailed n...

Unary relationships are common in manufacturing industries. - TRUE _________________ not only helps database designers to stay on track during the design process, it also enables them to pick up the design thread when the time comes to modify the design. - Documentation Ideally, an entity identifier is composed of _____ attribute(s). - one The first step in building an entity-relationship diagram (ERD) is ___________________________________________________________. - creating a detailed n...

WGU C170, Exam Review Questions and answers. VERIFIED. Latest updates. 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...

WGU C170 - Data Management – Applications Correctly answered 2022Domain 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 da...

WGU C170 Top Exam Question with accurate answers, 100% Accurate, rated A+ 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...