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1z0-007 Exam
Introduction to Oracle9i: SQL
Exam Number/Code : 1z0-007
Exam Name : Introduction to Oracle9i: SQL
Questions and Answers : 217 Q&As
Update Time: 2010-09-28

Introduction to Oracle9i SQL®
Exam Number: 1Z0-007 
Associated Certifications: Oracle9i DBA OCA
Oracle 10g DBA OCA
Oracle 11g DBA OCA
PL/SQL Developer OCA
Exam Price: US$ 125
Duration: 120 minutes
Number of Questions: 52
Passing Score: 71%
Exam Topics
Producing Readable Output with iSQL*Plus 
Produce queries that require a substitution variable 
Produce more readable output 
Create and execute script files 
Manipulating Data 
Describe each DML statement 
Insert rows into a table 
Update rows in a table 
Delete rows from a table 
Merge rows in a table 
Control transactions 
Creating and Managing Tables 
Describe the main database objects 
Create tables 
Describe the datatypes that can be used when specifying column definition 
Alter table definitions 
Drop, rename and truncate tables 

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1. The CUSTOMERS table has these columns:
CUSTOMER_ID NUMBER(4) NOT NULL
CUSTOMER_NAME VARCHAR2(100) NOT NULL
STREET_ADDRESS VARCHAR2(150)
CITY_ADDRESS VARCHAR2(50)
STATE_ADDRESS VARCHAR2(50)
PROVINCE_ADDRESS VARCHAR2(50)
COUNTRY_ADDRESS VARCHAR2(50)
POSTAL_CODE VARCHAR2(12)
CUSTOMER_PHONE VARCHAR2(20)
The CUSTOMER_ID column is the primary key for the table.
You need to determine how dispersed your customer base is. Which expression finds the number of different countries represented in the CUSTOMERS table?
A.COUNT(UPPER(country_address))
B.COUNT(DIFF(UPPER(country_address)))
C.COUNT(UNIQUE(UPPER(country_address)))
D.COUNT DISTINCT UPPER(country_address)
E.COUNT(DISTINCT (UPPER(country_address)))
Answer: E
2. The STUDENT_GRADES table has these columns:
STUDENT_ID NUMBER(12)
SEMESTER_END DATE
GPA NUMBER(4,3)
The registrar requested a report listing the students’ grade point averages (GPA) sorted from highest grade point average to lowest.
Which statement produces a report that displays the student ID and GPA in the sorted order requested by the registrar?
A.SELECT student_id, gpa
FROM student_grades
ORDER BY gpa ASC;
B.SELECT student_id, gpa
FROM student_grades
SORT ORDER BY gpa ASC;
C.SELECT student_id, gpa
FROM student_grades
SORT ORDER BY gpa;
D.SELECT student_id, gpa
FROM student_grades
ORDER BY gpa;
E.SELECT student_id, gpa
FROM student_grades
SORT ORDER BY gpa DESC;
F.SELECT student_id, gpa
FROM student_grades
ORDER BY gpa DESC;
Answer: F

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