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Oracle Introduction to Oracle9i: SQL Sample Questions:

1. The user Sue issues this SQL statement:
GRANT SELECT ON sue.EMP TO alice WITH GRANT OPTION;
The user Alice issues this SQL statement:
GRANT SELECT ON sue.EMP TO reena WITH GRANT OPTION;
The user Reena issues this SQL statement:
GRANT SELECT ON sue.EMP TO timber;
The user Sue issues this SQL statement:
REVOKE select on sue.EMP FROM alice;
For which users does the revoke command revoke SELECT privileges on the SUE.EMP table?

A) Sue, Alice, Reena, and Timber
B) Alice and Reena
C) Alice, Reena, and Timber
D) Alice only

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

3. You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty.
Which statement accomplishes this task?

A) ALTER TABLE students
ADD PRIMARY KEY student_id;
B) ALTER TABLE students
ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id;
C) ALTER TABLE students
MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);
D) ALTER TABLE students
ADD CONSTRAINT PRIMARY KEY (student_id);
E) ALTER TABLE students
ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id);

4. A subquery can be used to _________.

A) Sort data in a specific order
B) Retrieve data based on an unknown condition
C) Convert data to a different format
D) Create groups of data

5. Which three are DATETIME data types that can be used when specifying column definitions? (Choose three.)

A) INTERVAL MONTH TO DAY
B) TIMESTAMP WITH DATABASE TIMEZONE
C) TIMESTAMP
D) INTERVAL DAY TO SECOND
E) INTERVAL YEAR TO MONTH

Solutions: