Exam 17: Client-Server Processing and Distributed Databases
Exam 1: Introduction to Database Management76 Questions
Exam 2: Introduction to Database Development76 Questions
Exam 3: The Relational Data Model75 Questions
Exam 4: Query Formulation With SQL75 Questions
Exam 5: Understanding Entity Relations76 Questions
Exam 6: Developing Data Models for Business Databases75 Questions
Exam 7: Normalization of Relational Tables76 Questions
Exam 8: Physical Database Design76 Questions
Exam 9: Advanced Query Formulation With SQL74 Questions
Exam 10: Application Development With Views75 Questions
Exam 11: Stored Procedures and Triggers76 Questions
Exam 12: View Design and Integration76 Questions
Exam 14: Data and Database Administration76 Questions
Exam 15: Transaction Management75 Questions
Exam 16: Data Warehouse Technology and Management78 Questions
Exam 17: Client-Server Processing and Distributed Databases76 Questions
Exam 18: Object Database Management Systems83 Questions
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____________ is an architecture that supports electronic commerce among organizations.A set of related Internet standards supports high interoperability among service requestors,service providers,and service registries.
(Short Answer)
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Intranets differ from the Internet in that they do not use TCP or IP protocols to communicate.
(True/False)
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In the Web Services Architecture,the WSFL,UDDI,WSDL,and SOAP standards are ________ compliant languages.
(Short Answer)
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A SQL query with local format transparency needs to specify:
(Multiple Choice)
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The two-phase commit protocol involves a voting phase and a decision phase which must be coordinated by a centralized coordinator site.
(True/False)
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In client-server database development,proprietary methods typically allow for easier resolution of problems because one vendor is responsible,but these methods may prove to be expensive and inflexible in the long run.
(True/False)
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When the primary copy protocol is used for replicated data,secondary copies are updated at the same time as the primary copy to keep the database consistent.
(True/False)
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Fragmentation transparency requires the least effort from the user to write SQL commands for a specific task,but requires the most work for the DBMS.
(True/False)
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The following features permitted distributed processing in the 1980s:
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_________ code is code to ensure completion of business processes.____________ code may route forms,send messages about a deadline,and notify users when a business process is completed.
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Which of the following is true of a fragment in a distributed DBMS?
(Multiple Choice)
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PC clients in a two-tier architecture are sometimes called "thin clients" because of the large amount of business logic they contain.
(True/False)
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Distributed DBMSs must conform to the Three Schema Architecture just like traditional DBMSs do.
(True/False)
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_____________________ is the highest level of data independence in distributed DBMSs,and is so transparent that users perceive the distributed database as a centralized database.
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The interoperability among clients and servers and the efficient processing of messages between them is referred to in a client-server architecture as ___________________.
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