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Oracle 1Z0-007 Exam Syllabus Topics:

Oracle Introduction to Oracle9i: SQL Sample Questions:

1. STUDENT_ID NUMBER(12)
SEMESTER_END DATE
GPA NUMBER(4,3)
Which statement finds the highest grade point average (GPA) per semester?

A) SELECT MAX(gpa) GROUP BY semester_end WHERE gpa IS NOT NULL FROM student_grades;
B) SELECT MAX(gpa) FROM student_grades WHERE gpa IS NOT NULL GROUP BY semester_end;
C) SELECT MAX(gpa) FROM student_grades GROUP BY semester_end WHERE gpa IS NOT NULL;
D) SELECT MAX(gpa) FROM student_grades WHERE gpa IS NOT NULL;
E) SELECT (gpa) FROM student_grades GROUP BY semester_end WHERE gpa IS NOT NULL;

2. The CUSTOMERS table has these columns:

A promotional sale is being advertised to the customers in France. Which WHERE clause identifies customers that are located in France?

A) WHERE lower(country_address) = '%france%'
B) WHERE lower(country_address) IS 'france'
C) WHERE lower(country_address) = 'france'
D) WHERE lower(country_address) LIKE %france%
E) WHERE lower(country_address) = "france"

3. Which statement correctly describes SQL and /SQL*Plus?

A) /SQL*Plus is a language for communicating with the Oracle server to access data; SQL recognizes SQL statements and sends them to the server.
B) Both SQL and /SQL*plus allow manipulation of values in the database.
C) SQL manipulates data and table definitions in the database; /SQL*Plus does not allow manipulation of values in the database.
D) /SQL*Plus recognizes SQL statements and sends them to the server; SQL is the Oracle proprietary interface for executing SQL statements.

4. The EMP table has these columns:

Management wants a list of names of employees who have been with the company for more than five years. Which SQL statement displays the required results?

A) SELECT ENAME FROM EMP WHERE HIRE_DATE-SYSDATE > 5;
B) SELECT ENAME FROM EMP WHERE SYSDATE-HIRE_DATE > 5;
C) SELECT ENAME FROM EMP WHERE (SYSDATE-HIRE_DATE)* 365 > 5;
D) SELECT ENAME FROM EMP WHERE (SYSDATE-HIRE_DATE)/365 > 5;

5. Evaluate this SQL statement:
SELECT e.employee_id, (.15* e.salary) + (.5 * e.commission_pct)
+ (s.sales amount * (.35 * e.bonus)) AS CALC_VALUE FROM employees e, sales s WHERE e.employee_id = s.emp_id;
What will happen if you remove all the parentheses from the calculation?

A) There will be no difference in the value displayed in the CALC_VALUE column.
B) An error will be reported.
C) The value displayed in the CALC_VALUE column will be higher.
D) The value displayed in the CALC_VALUE column will be lower.

Solutions: