Quiz Discussion

A star schema has what type of relationship between a dimension and fact table?

• 1]

  One-to-one

• 2]

  Many-to-many

• 3]

  One-to-many

• 4]

  All of the above

The generic two-level data warehouse architecture includes which of the following?

• 1]

  At least one data mart

• 2]

  Data that can be extracted from numerous internal and external sources

• 3]

  Near real-time updates

• 4]

  All of the above

A data warehouse is which of the following?

• 1]

  Can be updated by end users

• 2]

  Contains numerous naming conventions and formats

• 3]

  Organized around important subject areas

• 4]

  Contains only current data

Reconciled data is which of the following?

• 1]

  Data stored in the various operational systems throughout the organization

• 2]

  Current data intended to be the single source for all decision support systems

• 3]

  Data stored in one operational system in the organization

• 4]

  Data that has been selected and formatted for end-user support applications

A database management system (DBMS) is a

• 1]

  hardware system used to create, maintain and provide controlled access to a database

• 2]

  a software system used to create, maintain and provide controlled access to a database

• 3]

  hardware system used to create, maintain, and provide uncontrolled access to a database

• 4]

  a software system used to create, maintain, and provide uncontrolled access to a database

A multifield transformation does which of the following?

• 1]

  Converts data from one field into multiple fields

• 2]

  Converts data from multiple fields into one field

• 3]

  Converts data from multiple fields into multiple fields

• 4]

  All of the above

The active data warehouse architecture includes which of the following?

• 1]

  At least one data mart

• 2]

  Data that can extracted from numerous internal and external sources

• 3]

  Near real-time updates

• 4]

  All of the above

An enterprise database is which of the following?

• 1]

  A database designed to support only users external to an organization

• 2]

  A database designed to support an entire organization

• 3]

  A database designed to support a single PC

• 4]

  A database designed to support a relatively small group

An enterprise data model is

• 1]

  a graphical model that shows the high-level entities for an organization

• 2]

  a graphical model that shows all entities for an organization

• 3]

  a non-graphical model that shows the high-level entities for an organization

• 4]

  a non-graphical model that shows all entities for an organization

The extract process is which of the following?

• 1]

  Capturing all of the data contained in various operational systems

• 2]

  Capturing a subset of the data contained in various operational systems

• 3]

  Capturing a subset of the data contained in various decision support systems

• 4]

  Capturing all of the data contained in various decision support systems