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單項選擇題

You executed the following code:  
SQL> CERATE TABLE COUNTRY  
(COUNTRY_ID CHAR(2) CONSTRAINT COUNTRY_ID_nn NOT NULL,  
COUNTRY_NAME VARCHAR2(20),  
CURRENCY_NAME VARCHAR2(20),  
CONSTRAINT COUNTRY_ID_PK PRIMARY KEY (COUNTRY_ID)) 
 ORGANIZATION INDEX;  
Which types of tables will be created automatically?()

A. journal table
B. clustered table
C. mapping table
D. partitioned table

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