adplus-dvertising
frame-decoration

Question

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.

Posted under DBMS

Answer: (b).The required data are located in at least one nonlocal site and the distributed DBMS routes requests as necessary.

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Which of the following is true concerning a global transaction?

Similar Questions

Discover Related MCQs

Q. A homogeneous distributed database is which of the following?

Q. Replication should be used when which of the following exist?

Q. Storing a separate copy of the database at multiple locations is which of the following?

Q. A distributed database is which of the following?

Q. A semijoin is which of the following?

Q. Which of the following is a disadvantage of replication?

Q. A distributed database can use which of the following strategies?

Q. Which of the following is not one of the stages in the evolution of distributed DBMS?

Q. A distributed transaction can be ............. if queries are issued at one or more nodes.

Q. Depending on the situation each node in the Distributed Database system can act as, _________ .

Q. Which transaction contains statements that access more than one node?

Q. What is the mechanism which guarantees that all database servers participating in a distributed transaction either all commit or all roll back the statements in the transaction?

Q. Stored procedures have which of the following advantages?

Q. Which of the following is true concerning QBE?

Q. Which of the following statements is a true statement concerning the open database connectivity standard (ODBC)?

Q. Which of the following statements is true concerning JDBC?

Q. A characteristic of a file server is which of the following?

Q. Three-tier architecture includes which of the following?

Q. A database server is responsible for which of the following?

Q. A benefit of the three-tier architecture is which of the following?