Regarding the DROP TABLE command:
A . ALL constraints defined on HR.EMPLOYEES are dropped: Dropping a table will automatically drop all constraints associated with that table.
B . The HR.EMPLOYEES table may be moved to the recycle bin: In Oracle, unless explicitly using PURGE, dropped tables go to the recycle bin, allowing recovery.
E . All indexes defined on HR, EMPLOYEES are dropped: When a table is dropped, all its indexes are also automatically dropped.
Incorrect options:
C: Synonyms are not automatically dropped when the table is dropped; they become invalid.
D: Sequences are independent objects and are not dropped when a table is dropped.
F: Views are not dropped; however, they will return errors upon being queried if their base table is dropped.