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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. The EXISTS keyword will be true if:

    2. A.

     any row in the subquery meets the condition only.
    B.

     all rows in the subquery fail the condition only.
    C.

     both of these two conditions are met.
    D.

     neither of these two conditions is met.

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  2. Changing cardinalities in a database is:

    3. A.

     a common database design task.
    B.

     a rare database design task, but does occur.
    C.

     a database design task that never occurs.
    D.

     is impossible to do, so a new database must be constructed and the data moved into it.

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  3. The NOT EXISTS keyword will be true if:

    4. A.

     any row in the subquery meets the condition.
    B.

     all rows in the subquery fail the condition.
    C.

     both of these two conditions are met.
    D.

     neither of these two conditions is met.

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  4. The data model that is produced from reverse engineering is:

    5. A.

     a conceptual model.
    B.

     an internal model.
    C.

     a logical model.
    D.

     None of the above is correct.

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  5. To drop a column that is used as a foreign key, first:

    6. A.

     drop the primary key.
    B.

     drop the table containing the foreign key.
    C.

     drop the foreign key constraint.
    D.

     All of the above must be done.

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  6. What SQL command will allow you to change the table STUDENT to add the constraint named GradeCheck that states that the values of the Grade column must be greater than 0?

    7. A.

     ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0);
    B.

     ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck (Grade > 0);
    C.

     ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0);
    D.

     None of the above is correct.

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  7. Which is not true of a correlated subquery?

    8. A.

     EXISTS/NOT EXISTS is a form of a correlated subquery.
    B.

     The processing of the SELECT statements is nested.
    C.

     They can be used to verify functional dependencies.
    D.

     They are very similar to a regular subquery.

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  8. A tool that can help designers understand the dependencies of database structures is a:

    9. A.

     dependency graph.
    B.

     data model.
    C.

     graphical display.
    D.

     None of the above is correct.

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  9. How many copies of the database schema are typically used in the redesign process?

    10. A.

     One
    B.

     Two
    C.

     Three
    D.

     Four

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  10. Because of the importance of making data model changes correctly, many professionals are ________ about using an automated process for database redesign.

    11. A.

     optimistic
    B.

     skeptical
    C.

     ambivalent
    D.

     None of the above is correct

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