
<p>IST331 Exam1 Fall 2005 V. Matos </p><p>True-False Questions</p><p>1. The purpose of a database is to help people keep track of things.</p><p>2. In a database, each table stores data about a different type of thing.</p><p>3. In a database, each row in a spreadsheet has data about a particular instance.</p><p>4. In every database, not just the databases discussed in this book, table names are capitalized.</p><p>5. A database shows data in tables and the relationships among the rows those tables.</p><p>6. Data is recorded facts and figure; information is knowledge derived from data.</p><p>7. Databases record data in such a way that they can produce information.</p><p>8. Enterprise Resource Planning (ERP) is an example of a data mining application.</p><p>9. Small databases typically have simple structures.</p><p>10. Microsoft Access is a low-end product intended for individuals and small workgroups.</p><p>11. Applications are computer programs used directly by users.</p><p>12. Sequenced Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products.</p><p>13. A database management system (DBMS) creates, processes and administers databases.</p><p>14. Microsoft Access is just a DBMS.</p><p>15. The DBMS engine in Microsoft Access is called Jet.</p><p>16. In Microsoft Access, you can use the Oracle DBMS in place of the Jet DBMS by using the appropriate "File" command.</p><p>17. In an Enterprise-class database system, a database application interacts with the DBMS.</p><p>18. In an Enterprise-class database system, a database application accesses the database data.</p><p>19. In an Enterprise-class database system, business users interact directly with the DBMS, which directly accesses the database data.</p><p>20. A database is called "self-describing" because it reduces data duplication.</p><p>21. The description of a database's structure that is stored within the database itself is called the "metadata."</p><p>22. In a database processing system, stored procedures are held by the database management system (DBMS). 23. Information systems that stored groups of records in separate files were called file processing systems.</p><p>24. The relational model was first proposed in 1970 by E. F. Codd at IBM.</p><p>25. Business organizations have resisted adopting object-oriented database systems because the cost of purchasing OODBMS packages is prohibitively high.</p><p>Part 2. Phrasing queries with SQL.</p><p>In this example we assume familiarity with the COMPANY database, sketched below: EMPLOYEE (fname, minit, lname, ssn, bdate, address, sex, salary, superssn, dno) KEY: ssn DEPARTMENT (dname, dnumber, mgrssn, mgrstartdate) KEY: dnumber. PROJECT (pname, pnumber, plocation, dnum) KEY: pnumber. WORKS_ON (essn, pno, hours) KEY: (essn, pno) DEPENDENT (essn, dependent-name, sex, bdate, relationship) KEY: (essn, dependent-name) Write a SQL query to answer the following two requests.</p><p>1. Give the SSN of each female employee working for dept 4 whose salary is no less than $50,000.00</p><p>2. Give the Fisrt Name, Last Name, and SSN of each female manager</p>
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