関連ワード:  explain 2 phase commit protocol    explain 2 phase commit protocol in detail    explain two phase commit protocol in dbms    explain two phase commit protocol in distributed database    explain two phase commit protocol in distributed system    define two phase commit protocol    define two phase commit protocol in dbms    explain the two phase commit protocol with an example    briefly explain two phase commit protocol    explain 2 phase and 3 phase commit protocol in dbms with proper example