Which two statements are true regarding subqueries? (Choose two.)

View the exhibit and examine the data in the PROJ_TASK_DETAILS table. (Choose the best answer.) The PROJ_TASK_DETAILS table stores information about project tasks and the relation between them.
The BASED_ON column indicates dependencies between tasks.
Some tasks do not depend on the completion of other tasks.
You must generate a report listing all task IDs, the task ID of any task upon which it depends and the name of the employee in charge of the task upon which it depends.
Which query would give the required result?

You execute the SQL statement:

What is the outcome?

Examine the structure of the MEMBERStable.
Name Null? Type
- --------------- ----------------- ---------------------------
MEMBER_ID NOT NULL VARCHAR2 (6)
FIRST_NAME VARCHAR2 (50)
LAST_NAME NOT NULL VARCHAR2 (50)
ADDRESS VARCHAR2 (50)
CITY VARCHAR2 (25)
STATE NOT NULL VARCHAR2 (3)
Which query can be used to display the last names and city names only for members from the states MO and MI?

View the Exhibit and examine the description of the EMPLOYEES table.

Evaluate the following SQL statement:
SELECT first_name, employee_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 1) "Review" FROM employees; The query was written to retrieve the FIRST_NAME, EMPLOYEE_ID, and review date for employees. The review date is the firsts Monday after the completion of six months of the hiring. The NLS_TERRITORY parameter is set to AMERICA in the session.
Which statement is true regarding this query?