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Exam : CIW 1D0-441
Title : CIW DATABASE SPECIALIST


1. Consider the Entity-Relation diagram shown in the exhibit. When the logical database design phase is completed, which of the following is a valid DBDL description of the base relations for the Entity-Relation diagram?
A. STUDENT(
Student_Number: integer NOT NULL
Name: variable length character string length 20 NOT NULL)
Primary Key Student_Number
CLASS(
Class_Num: integer NOT NULL
Class_Name: integer NOT NULL)
Primary Key Class_Num
B. STUDENT(
Student_Number: integer NOT NULL
Name: variable length character string length 20 NOT NULL)
Primary Key Student_Number
CLASS(
Class_Num: integer NOT NULL
Class_Name: integer NOT NULL)
Primary Key Class_Num
Foreign Key Class_Num References STUDENT
C. STUDENT(
Student_Number: integer NOT NULL
Name: variable length character string length 20 NOT NULL)
Primary Key Student_Number
STU_CLASS(
Student_Number: integer NOT NULL
Class_Num: integer NOT NULL)
Primary Key Student_Number
CLASS(
Class_Num: integer NOT NULL
Class_Name: integer NOT NULL)
Primary Key Class_Num
D. STUDENT(
Student_Number: integer NOT NULL
Name: variable length character string length 20 NOT NULL)
Primary Key Student_Number
STU_CLASS(
Student_Number: integer NOT NULL
Class_Num: integer NOT NULL)
Primary Key Student_Number, Class_Num
CLASS(
Class_Num: integer NOT NULL
Class_Name: integer NOT NULL)
Primary Key Class_Num
Answer: D

2. A foreign key maps to a:
A. prime key.
B. indirect key.
C. parent key.
D. composite key.
Answer: C

3. Which static member of the ResultSet class should be used to create an updatable result set?
A. ResultSet.TYPE_FORWARD_ONLY
B. ResultSet.TYPE_FORWARD_UPDATABLE
C. ResultSet.TYPE_SCROLL_INSENSITIVE
D. ResultSet.TYPE_SCROLL_SENSITIVE
Answer: D

4. Which of the following statements is true of the Connection interface?
A. Each JDBC client application must provide a class that implements the Connection interface.
B. Each JDBC driver provides a class that implements the Connection interface.
C. Each JVM provides a class that implements the Connection interface.
D. The Connection interface can be used to load a JDBC driver.
Answer: B

5. Consider the relation shown in the exhibit. Which of the following SQL statements would properly add information for a new employee?
A. INSERT INTO Employee
VALUES(0005, Tim, Bogart, 03-15-77);
B. INSERT INTO Employee(Emp_ID, First_Name, Last_Name, Birth_Date)
VALUES(0004, Tim, Bogart, 03-15-77);
C. INSERT INTO Employee(Emp_ID, First_Name, Last_Name, Birth_Date)
VALUES(0005, Tim, Bogart, 03-05-77);
D. INSERT INTO Employee (Emp_ID, First_Name, Last_Name, Birth_Date)
VALUES (0005, Tim, Bogart, 03-05-77);
Answer: D

6. Which JDBC interface is used to extract information about the database schema?
A. ResultSet
B. Connection
C. DatabaseMetaData
D. ResultSetMetaData
Answer: C

7. Which method of the Statement interface could be used to delete data from a database?
A. executeUpdate
B. executeQuery
C. close
D. clearBatch
Answer: A

8. Which pair of relational algebraic operations requires union compatibility?
A. Union and join
B. Selection and projection
C. Intersection and difference
D. Cartesian product and intersection
Answer: C

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