... archiving and communication systems, and defense. One of the mos t impor- tant problems in the des ign of image database systems is how images are stored in the image databases [5, 6, 7, 8]. Various ... DATABASE SYSTEMS 365 [4] C. C. Chang and S. Y. Lee, Retrieval of Similar Pictures on Pictorial Databases, Pattern Recognition, 24:7(1991), pp. 675–680. [5] S K. Chang, Pictorial Infor...
Ngày tải lên: 07/03/2014, 14:20
... appli- cations such as geographic information systems, multimedia systems, CAD tools, document libraries, sequence databases, fingerprint identification systems, biochemicaldatabases, etc. To support the growing ... ACM Transactions on Database Systems, 15(4), De- cember 1990. [LY81] P. L. Lehman and S. B. Yao. Efficient Lock- ing For Concurrent Operations on B-trees. ACM Transactions on...
Ngày tải lên: 23/03/2014, 12:20
Column-Oriented Database Systems potx
... 2: Column-oriented execution — Daniel l Part 3: MonetDB/X100 and CPU efficiency — Peter VLDB 2009 Tutorial Column-Oriented Database Systems 12 VLDB 2009 Tutorial Column-Oriented Database Systems ... Tutorial Column-Oriented Database Systems 14 “A decomposition storage model” Copeland and Khoshafian. SIGMOD 1985. 1 2 3 4 ID value 0100 0962 1000 VLDB 2009 Tutorial Colum...
Ngày tải lên: 23/03/2014, 16:20
Progressive Skyline Computation in Database Systems potx
... preferable). ACM Transactions on Database Systems, Vol. 30, No. 1, March 2005. Progressive Skyline Computation in Database Systems • 63 4.4 Dynamic Skyline Assume a database containing points in ... volume 1/2 i , and 2 i−1 empty ACM Transactions on Database Systems, Vol. 30, No. 1, March 2005. Progressive Skyline Computation in Database Systems • 53 Fig. 6. R-tree example. pa...
Ngày tải lên: 23/03/2014, 16:21
Database Systems Engineer Examination.pdf
... Q22 When comparing a relational database with an object-oriented database, which of the following statements correctly describes the object-oriented database? a) It can express real world ... 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 followin...
Ngày tải lên: 24/08/2012, 15:44
Database Systems Engineer Examination.pdf
... 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. ... an assigned role code according to his/her role (i.e., system engineer, database engineer or network engineer in the systems development department). The participation management s...
Ngày tải lên: 24/08/2012, 15:44
Database Systems Engineer Examination.pdf
... according to requirements concerning the two calendars managed by Company October, 2005 VITEC Database Systems Engineer Examination (Afternoon, Part 2) 1. Examination Time-14:30-16:30 (120 ... 5. Observe the rules for describing conceptual data models, relation schemas, and relational database tables provided at the beginning of the booklet. Do not open the exam booklet unt...
Ngày tải lên: 24/08/2012, 15:44
Inclusion of new types in relational database systems
... 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 Cedar ... sketch roughly what this alter- nate interface might be. With regard to crash recovery, most current systems have a variety of special case code to perform logical logging of events...
Ngày tải lên: 22/10/2013, 10:15