Q. A semijoin is which of the following?

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

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

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

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

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

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

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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?

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Q. Stored procedures have which of the following advantages?

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Q. Which of the following is true concerning QBE?

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

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

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

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

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

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

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Q. Which of the following statements is true about symmetric multiprocessing?

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Q. Client/server security includes which of the following?

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Q. An application program interface (API) is which of the following?

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Q. Which of the following items are not necessary for client/server?

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