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Database System 2 - CS - Advanced SQL
Database System 2 - CS - SQL Server 2000
Database System 2 - CS - Data Warehousing
Database System 2 - CS - XML and ADO.NET
Database System 2 - CS - Database Redesign
Database System 2 - CS - Introduction to SQL
Database System 2 - CS - Distributed Databases
Database System 2 - CS - Client Server Database
Database System 2 - CS - Data Modeling with ER
Database System 2 - CS - Logical Database Design
Database System 2 - CS - Introduction to Database
Database System 2 - CS - Object Oriented Database
Database System 2 - CS - Physical Database Design
Database System 2 - CS - The Database Environment
Database System 2 - CS - ODBC, OLE DB, ADO, and ASP
Database System 2 - CS - ER Model and Business Rules
Database System 2 - CS - Database Processing for BIS
Database System 2 - CS - Managing Multiuser Databases
Database System 2 - CS - Object Oriented Data Modeling
Database System 2 - CS - Managing Databases with Oracle
Database System 2 - CS - SQL for Database Construction
Database System 2 - CS - Data and Database Administration
Database System 2 - CS - Data Models into Database Designs
Database System 2 - CS - Modeling Data in the Organization
Database System 2 - CS - The Database Development Process
Database System 2 - CS - The Internet Database Environment
Database System 2 - CS - JDBC, Java Server Pages, and MySQL
Database System 2 - CS - Database Design Using Normalization
Database System 2 - CS - The Relational Model and Normalization
  1. Joining is the process of partitioning data according to predefined criteria.

    2. A.

     True
    B.

     False

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  2. The role of the ETL process is to identify erroneous data and to fix them.

    3. A.

     True
    B.

     False

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  3. Data in the data warehouse are loaded and refreshed from operational systems.

    4. A.

     True
    B.

     False

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  4. Star schema is suited to online transaction processing, and therefore is generally used in operational systems, operational data stores, or an EDW.

    5. A.

     True
    B.

     False

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  5. Periodic data are data that are physically altered once added to the store.

    6. A.

     True
    B.

     False

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  6. Both status data and event data can be stored in a database.

    7. A.

     True
    B.

     False

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  7. Static extract is used for ongoing warehouse maintenance.

    8. A.

     True
    B.

     False

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  8. Data scrubbing can help upgrade data quality; it is not a long-term solution to the data quality problem.

    9. A.

     True
    B.

     False

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  9. Every key used to join the fact table with a dimensional table should be a surrogate key.

    10. A.

     True
    B.

     False

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  10. Derived data are detailed, current data intended to be the single, authoritative source for all decision support applications.

    11. A.

     True
    B.

     False

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