单选题Identify the logical structure that will never have more than one data segment created for it.()Aexternal tableBpartitioned tableCpartitioned indexDnonclustered tableEglobal temporary table

单选题
Identify the logical structure that will never have more than one data segment created for it.()
A

external table

B

partitioned table

C

partitioned index

D

nonclustered table

E

global temporary table


参考解析

解析: 非簇表只能使用一个段

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单选题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 tableB clustered tableC mapping tableD partitioned table