Quiz Discussion

The load and index are which of the following?

• 1]

  A process to reject data from the data warehouse and to create the necessary indexes

• 2]

  A process to load the data in the data warehouse and to create the necessary indexes

• 3]

  A process to upgrade the quality of data before it is moved into a data warehouse

• 4]

  A process to upgrade the quality of data after it is moved into a data warehouse

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

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

Data scrubbing is which of the following?

• 1]

  A process to reject data from the data warehouse and to create the necessary indexes

• 2]

  A process to load the data in the data warehouse and to create the necessary indexes

• 3]

  A process to upgrade the quality of data after it is moved into a data warehouse

• 4]

  A process to upgrade the quality of data before it is moved into a data warehouse

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

An operational system is which of the following?

• 1]

  A system that is used to run the business in real-time and is based on historical data

• 2]

  A system that is used to run the business in real-time and is based on current data

• 3]

  A system that is used to support decision making and is based on current data

• 4]

  A system that is used to support decision making and is based on historical data

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

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

Data transformation includes which of the following?

• 1]

  A process to change data from a detailed level to a summary level

• 2]

  Joining data from one source into various sources of data

• 3]

  A process to change data from a summary level to a detailed level

• 4]

  Separating data from one source into various sources of data