Checking It

1:Oracle is (mark all that apply)

  1. A hierarchical database

  2. A network database

  3. A relational database

  4. An Object-oriented database

2:ISAM and VSAM are examples of a network database

True/False

3:Referential integrity is

  1. A relationship enforced at the database level by PL/SQL

  2. A relationship enforced at the database level based on primary and foreign keys

  3. AA relationship enforced at the application level by PL/SQL, Java, or XML

  4. A relationship enforced by using concatenated keys

4:Which of the following statements is true:

  1. COBOL works with groups of records

  2. SQL processes data row at a time

  3. SQL lets you work with data at the logical level

  4. It matters ...

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