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单选题When a system has both online transaction processing as well as large batch processing， which of the following common procedures will best help to improve system performance？（）ABoost the priority of batch jobs.BSchedule batch runs to reduce contention
题目
单选题
When a system has both online transaction processing as well as large batch processing， which of the following common procedures will best help to improve system performance？（）
A
Boost the priority of batch jobs.
B
Schedule batch runs to reduce contention with OLTP.
C
Schedule OS maintenance such that it includes frequent application of PTFs.
D
Perform incremental backups of transaction processing and full backups of batch processing.