You need to resolve the blocking issue that is affecting the performance of the CRM system. What should you do?()
- A、Replace the named query with an SQL view.
- B、Set the transaction isolation level to serializable in the named query.
- C、Set the source database to use snapshot isolation.
- D、Set the transaction isolation level to repeatable read in the named query.
正确答案:C
答案解析:有
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