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multibase integrating heterogeneous distributed database systems

Database Systems Engineer Examination.pdf

Database Systems Engineer Examination.pdf

Công nghệ thông tin

... being aware of this. b) Even if the database is physically distributed via a communication network, the system can be used without making the user aware of the distributed configuration. c) Even ... introduced or a distributed DBMS is introduced. d) It expresses information requirements of the target world. Q22 When comparing a relational database with an object-oriented database, which ... precision ratio used as measures in evaluating information retrieval systems, such as document retrieval systems and data retrieval systems? Here, A, B and C indicate the following. A: The...
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Database Systems Engineer Examination.pdf

Database Systems Engineer Examination.pdf

Công nghệ thông tin

... Backup/Restore feature (i) Database backup and restoration can be done for the entire database or for individual tables. (ii) “Entire database backup” saves the entire database on backup media. ... the following description of a database, and then answer the Subquestions 1 through 3. Company M investigated relation schemas as part of its efforts to build a database for managing its catalog ... Network Development 180 135 9,000 6,750112 Public Sector Systems Development 50 26 2,500 1,325113 Testing 80400 0114 Distribution Systems Development 333 149 16,650 7,492… … … … …...
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Database Systems Engineer Examination.pdf

Database Systems Engineer Examination.pdf

Công nghệ thông tin

... received Shipment Shipment detail Order detail Direct shipment AB October, 2005 VITEC Database Systems Engineer Examination (Afternoon, Part 2) 1. Examination Time-14:30-16:30 (120 ... systemSales performance Masters Masters, sales performance, etc. Operations database Information system Analytical database - 5 - (Shipment scheduling) ã Order information is organized into ... tool for the information system. The specifications of the tool are as follows. (1) A relational database management system (RDBMS) is used to store data. (2) There are 4 types of tables: “master”,...
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Inclusion of new types in relational database systems

Inclusion of new types in relational database systems

Tin học văn phòng

... ACM-TODS,June 1976.[BERN81] Bernstein, P. and Goodman, N., "Concurrency Control in Distributed Database Systems, " ACM Computing Surveys, June 1981.[BROW81] Brown, M. et. al., "The ... 1979.[SPEC83] Spector, A. and Schwartz, P., "Transactions: A Construct for Reliable Distributed Computing," Operating Systems Review, Vol 17, No 2, April 1983.[STON76] Stonebraker, M. et al., "The ... AnnArbor, Mich., May 1981.[SELI79] Selinger, P. et. al., "Access Path Selection in a Relational Database ManagementSystem," Proc. 1979 ACM-SIGMOD Conference on Management of Data, Bos-ton,...
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