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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
Duration: 120 minutes
Number of Questions: 52
Passing Score: 71%
Exam : Oracle 1Z0-007
Title : Introduction to Oracle9i: SQL
1. In which three cases would you use the USING clause? (Choose three.)
A.You want to create a nonequijoin.
B.The tables to be joined have multiple NULL columns.
C.The tables to be joined have columns of the same name and different data types.
D.The tables to be joined have columns with the same name and compatible data types.
E.You want to use a NATURAL join, but you want to restrict the number of columns in the join condition.
Answer: CDE
2. 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
1Z0-007 Exam Topics
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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