heterogeneous distributed database systems
Database Systems Engineer Examination.pdf
Ngày tải lên :
24/08/2012, 15:44
... 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
Ngày tải lên :
24/08/2012, 15:44
... 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 6,750
112
Public Sector Systems
Development
50 26 2,500 1,325
113
Testing
80400 0
114
Distribution Systems
Development
333 149 16,650 7,492
…
…
…
…
…...
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Database Systems Engineer Examination.pdf
Ngày tải lên :
24/08/2012, 15:44
... received
Shipment
Shipment detail
Order detail
Direct shipment
A
B
October, 2005 VITEC
Database Systems Engineer
Examination (Afternoon, Part 2)
1. Examination Time-14:30-16:30 (120 ... system
Sales 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
Ngày tải lên :
22/10/2013, 10:15
... 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 ... Ann
Arbor, Mich., May 1981.
[SELI79] Selinger, P. et. al., "Access Path Selection in a Relational Database Management
System," Proc. 1979 ACM-SIGMOD Conference on Management of Data, Bos-
ton,...
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