单选题Which of the following is the main feature of an OLTP application?（）A Summarized queriesB Granular transactionsC Voluminous historical dataD Heterogeneous data sources
题目
单选题
Which of the following is the main feature of an OLTP application?（）
A
Summarized queries
B
Granular transactions
C
Voluminous historical data
D
Heterogeneous data sources