An online tablespace,TEST_TBS,is full and you realize that no server-managed tablespace threshold alerts were generated for the TEST_TBS tablespace.  What could be the reason,if the TEST_TBS tablespace does not include autoextensible data files?()  
A: TEST_TBS is a small file tablespace.
B: TEST_TBS is a bigfile tablespace (BFT).
C: TEST_TBS is the default temporary tablespace.
D: TEST_TBS is a dictionary-managed tablespace.
出自:Oracle认证