Which of the following is true concerning a global transaction?
A)The required data are at one local site and the distributed DBMS routes requests as necessary.
B)The required data are located in at least one nonlocal site and the distributed DBMS routes requests as necessary.
C)The required data are at one local site and the distributed DBMS passes the request to only the local DBMS.
D)The required data are located in at least one nonlocal site and the distributed DBMS passes the request to only the local DBMS

Question

Quizplus · Accepted Answer

A global transaction involves operations that require data from multiple databases, which may be located at different sites. Therefore, the correct statement is that the required data are located in at least one nonlocal site and the distributed DBMS routes requests as necessary to access this data.

Which of the Following Is True Concerning a Global Transaction