单选题When determining the number of UNDO segments in a database, which of the following choices identifies a factor to consider? （）ASize of typical transactions BConcurrent transactions CSize of rows in table most frequently changed DNumber of anticipated disk sorts
单选题
When determining the number of UNDO segments in a database, which of the following choices identifies a factor to consider? （）
A
Size of typical transactions
B
Concurrent transactions
C
Size of rows in table most frequently changed
D
Number of anticipated disk sorts
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