ORACLE RDBMS is a distributed DBMS.Which of the following techniques adapted ensure atomicity of distributed transaction?

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问题 ORACLE RDBMS is a distributed DBMS.Which of the following techniques adapted ensure atomicity of distributed transaction?

选项 A、remote procedure call (RPC)
B、Two_phases commit (2PC)
C、Snapshots
D、triggers

答案B

解析
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