You need to list the employees in DEPARTMENT_ID20 days in a single row, ordered by HIRE_DATE.
Examine the sample output:

Which query will provide the required output?
SELECT LISTAGG(last_name)

Which three statements are true about the ALTER TABLE....DROP COLUMN.... command? (Choose three.)

View the exhibit and examine the structure of ORDERS and CUSTOMERS tables.

Which INSERT statement should be used to add a row into the ORDERS table for the customer whose CUST_LAST_NAME is Roberts and CREDIT_LIMIT is 600? Assume there exists only one row with CUST_LAST_NAME as Roberts and CREDIT_LIMIT as 600.

Which two statements best describe the benefits of using the WITHclause? (Choose two.)

Examine these statements executed in a single Oracle session:

Which three statements are true?