Which two statements are true about sequences created in a single instance database?
(Choose two.)
A.
The numbers generated by a sequence can be used only for one table.
B.
When a database instance shuts down abnormally, the sequence numbers that have
been cached but not used would be available once again when the database instance is
restarted.
C.
When the MAXVALUE limit for a sequence is reached, you can increase the MAXVALUE
limit by using the ALTER SEQUENCE statement.
D.
CURRVAL is used to refer to the last sequence number that has been generated.
E.
DELETE <sequencename> would remove a sequence from the database.