单选题Which of the following datatypes are used in situations where you want an ordered set of data elements, where every element is the same datatype, and where you predefine the number of elements that appear in the set?（）AREF BTABLE CCLOB DVARRAY
单选题
Which of the following datatypes are used in situations where you want an ordered set of data elements, where every element is the same datatype, and where you predefine the number of elements that appear in the set?（）
A
REF
B
TABLE
C
CLOB
D
VARRAY
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