多选题When a database administrator chooses the dimensions for an MDC table, which two characteristics should beconsidered?（）Athe query transaction rateBnumeric data versus character dataCextent sizeDthe cardinality of the candidate columnsEprefetch size
多选题
When a database administrator chooses the dimensions for an MDC table, which two characteristics should beconsidered?（）
A
the query transaction rate
B
numeric data versus character data
C
extent size
D
the cardinality of the candidate columns
E
prefetch size
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