Oracle 1Z0-007 Exam : Introduction to Oracle9i: SQL

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Oracle 1Z0-007 Exam Syllabus Topics:

Oracle Introduction to Oracle9i: SQL Sample Questions:

1. Which two are attributes of iSQL*Plus? (Choose two)

A) /SQL*Plus commands are used to manipulate data in tables.
B) /SQL*Plus commands manipulate table definitions in the database.
C) /SQL*Plus is the Oracle proprietary interface for executing SQL statements.
D) /SQL*Plus commands are accessed from a browser.
E) /SQL*Plus commands cannot be abbreviated.

2. You are granted the CREATE VIEW privilege. What does this allow you to do?

A) Create a view that is accessible by everyone.
B) Create a view in any schema.
C) Create a table view.
D) Create a sequence view in any schema.
E) Create a view only of it is based on tables that you created.
F) Create a view in your schema.

3. The database administrator of your company created a public synonym called HR for the HUMAN_RESOURCES table of the GENERAL schema, because many users frequently use this table.
As a user of the database, you created a table called HR in your schema. What happens when you execute this query?
SELECT *
FROM HR;

A) You obtain the results retrieved from the HR table that belongs to your schema.
B) You get an error message because you cannot retrieve from a table that has the same name as a public synonym.
C) You obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a FULL JOIN.
D) You obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a Cartesian product.
E) You obtain the results retrieved from the public synonym HR created by the database administrator.

4. Which are /SQL*Plus commands? (Choose all that apply.)

A) UPDATE
B) DELETE
C) INSERT
D) SELECT
E) RENAME
F) DESCRIBE

5. Examine the structure of the EMPLOYEES table:

You issue these statements:
CREATE table new_emp ( employee_id NUMBER, name VARCHAR2(30));
INSERT INTO new_emp SELECT employee_id , last_name from employees;
Savepoint s1;
UPDATE new_emp set name = UPPER(name);
Savepoint s2;
Delete from new_emp;
Rollback to s2;
Delete from new_emp where employee_id =180;
UPDATE new_emp set name = 'James';
Rollback to s2;
UPDATE new_emp set name = 'James' WHERE employee_id =180;
Rollback;
At the end of this transaction, what is true?

A) You have no rows in the table.
B) You have an employee with the name of James.
C) Your last update fails to update any rows because employee ID 180 was already deleted.
D) You cannot roll back to the same savepoint more than once.

Solutions: