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Oracle 1Z0-007 Exam Syllabus Topics:

Oracle Introduction to Oracle9i: SQL Sample Questions:

1. Which four are valid Oracle constraint types? (Choose four.)

A) PRIMARY KEY
B) NOT NULL
C) CONSTANT
D) CASCADE
E) CHECK
F) NONUNIQUE
G) UNIQUE

2. Evaluate these two SQL statements:
SELECT last_name, salary, hire_date FROM EMPLOYEES ORDER BY salary DESC; SELECT last_name, salary, hire_date FROM EMPLOYEES ORDER BY 2 DESC; What is true about them?

A) The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.
B) There is no need to specify DESC because the results are sorted in descending order by default.
C) The second statement returns a syntax error.
D) The two statements produce identical results.

3. Which two statements accurately describe a role? (Choose two.)

A) A role can have a maximum of 100 privileges contained in it.
B) A role can be given to a maximum of 1000 users.
C) A role is a named group of related privileges that can be granted to the user.
D) A user can have access to several roles, and several users can be assigned the same role.
E) Privileges are given to a role by using the CREATE ROLE statement.
F) A user can have access to a maximum of 10 roles.

4. Examine the structure of the EMPLOYEES table:
EMPLOYEE_ID NUMBER Primary Key
FIRST_NAME VARCHAR2(25)
LAST_NAME VARCHAR2(25)
Which three statements insert a row into the table? (Choose three.)

A) INSERT INTO employees VALUES ( NULL, 'John', 'Smith');
B) INSERT INTO employees( first_name, last_name) VALUES( 'John', 'Smith');
C) INSERT INTO employees (employee_id) VALUES (1000);
D) INSERT INTO employees (employee_id, first_name, last_name) VALUES ( 1000, 'John', ' ');
E) INSERT INTO employees VALUES ( 1000, 'John', NULL);
F) INSERT INTO employees (first_name, last_name, employee_id) VALUES ( 1000, 'John', 'Smith');

5. Evaluate the SQL statement
DROP TABLE DEPT:
Which four statements are true of the SQL statement? (Choose four)

A) All views based on the DEPT table are deleted.
B) All pending transactions are committed.
C) All data in the table is deleted, and the table structure is also deleted.
D) All synonyms based on the DEPT table are deleted.
E) All data in the table is deleted, but the structure of the table is retained.
F) All indexes based on the DEPT table are dropped.
G) You cannot roll back this statement.

Solutions: