Ict713 t320-t7-dl-20 oct2020
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This document contains questions for a tutorial on distributed database management systems and normalization. It is divided into three parts. Part A asks students to define the functions of a distributed DBMS and explain the differences between homogeneous and heterogeneous distributed systems. It also asks about transaction transparency. Part B contains questions about determining functional dependencies, converting a table to third normal form, and modifying a table to first normal form. Part C is about keeping a weekly log for assessing a database project.
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A.
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B.
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Scheduling
D.
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A.
Personal information systems that support a particular department are sometimes called departmental information systems.
B.
Because one is the sole user of the new system, if new procedures are required, one needs professional help to get the job done.
C.
Such systems have only one user and hence procedures need not be documented or formalized in any significant way.
D.
The solutions to problems in a personal information system usually involve more than one department.
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A.
scheduling of groundskeeping
B.
contact manager
C.
charging of membership fees
D.
ordering of restaurant supplies from suppliers
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A.
interenterprise information system
B.
collaborative information system
C.
functional information system
D.
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A.
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B.
Workgroup information systems
C.
Enterprise information systems
D.
Personal information systems
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A.
order tracking
B.
general ledger
C.
lead generation
D.
assessment
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A.
Compensation
B.
Planning
C.
Financial reporting
D.
Lead tracking
8. Which of the following is a consequence of isolated information systems?
A.
Data cannot get duplicated.
B.
Business processes are coherent and efficient.
C.
Decision are made is union with other systems.
D.
There is a lack of integrated enterprise information.
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A.
Business process management
B.
Business process reengineering
C.
Business process improvement
D.
Business process interoperability
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A.
time-consuming business processes and involve substantial investment.
B.
predesigned procedures for using the software products
C.
result from altering & designing business processes to take advantage of new information systems.
D.
preferred by employees due to the ease & structure they bring to functional applications.
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A.
business and banks
B.
business and customers
C.
business and government
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businesses
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B2C
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Knowledge Management System Building Blocks
Georg Hüttenegger
Vienna University of Technology, Austria
[email protected]
Abstract: This paper describes three building blocks of a technological Knowledge Management (KM) system that provides all
relevant and practical means of supporting KM and thus differentiates itself from existing KM tools in goal and approach, as they
usually deal with a limited range only. The three blocks described within this paper are: a virtual information pool, which utilizes
Enterprise Application Integration (EAI), a single and central user interface providing ubiquitous access, and mechanisms to
enrich the available data, essentially based on Artificial Intelligence and Data Mining techniques.
Keywords: Knowledge Management System, Virtual Information Pool, Ubiquitous Access, Machine Learning / Data Mining
1. Introduction
Many experts define Knowledge Management
Systems as IT systems that support KM
activities and hence are generally concerned
with enhancing competitiveness by the
appropriate use of all available knowledge (for
further definitions of KM see Sveiby [Sveiby
2001]). There are two main issues to be
addressed by IT: To provide users with access
to as much relevant information in the most
practical way possible and to capture as much
information as feasible and add this to the
available information. There are already a
number of systems and technologies on hand,
which provide a great deal of functionality in a
wide range of (KM) fields. For further
information on existing systems/tools, see
Alavi and Leidner ([Alavi 1999] or [Alavi 2001])
as well as Marwick [Marwick 2001].
This paper proposes building blocks for an
integrated system that provides as much
functionality as possible within current IT
constraints. The concept focuses on larger
organizations that currently use diverse
systems and beyond that is probably more
suited for non-routine tasks such as project
management, software development, or in
general, development of new products.
Although a resulting system would certainly
address similar issues faced by smaller
organizations, complexity and expenditure
could prove as a limiting factor. Based on a
paper describing the general architecture of
the proposed KM system (presented at the
ECKM 2003 [Hüttenegger 2003]), this paper
provides detailed descriptions of the three
major building blocks the solution substantially
consists of.
It is of utmost importance to bear in mind that
no proposition is being made to introduce a
KM system or even parts of it, which can be
seen as a general solution for a company
striving for KM. Instead, each organization
should carefully review their KM needs and not
before preliminary results are available,
concern themselves with technological issues.
This line of argument finds support by current
research activities, stating, why purely IT
driven KM ...
Management Information System
Management Information System
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TF 2 points each Total 20 points 1 A disadvantage of the .pdf
T/F 2 points each, Total 20 points 1) A disadvantage of the relational database management
system (RDBMS) is its inability to hide the complexities of the relational model from the user. 2) In
an SQL-based relational database, rows in different tables are related based on common values in
common attributes. 3) The external model is the representation of the database as "seen" by the
DBMS. 4) Composite attributes make it easier to facilitate detailed queries. 5) . To implement a
small database, a database designer must know the " 1 " and the " M " sides of each relationship
and whether the relationships are mandatory or optional. 6) The COMMIT command does not
permanently save all changes. In order to do that, you must use SAVE. 7) You can select partial
table contents by naming the desired fields and by placing restrictions on the rows to be included
in the output. 8) SQL allows the use of logical restrictions on its inquiries such as OR,AND, and
NOT. 9) The primary objective in database design is to create complete, normalized,
nonredundant, and fully integrated conceptual, logical, and physical database models.10) The
Systems Development Life Cycle (SDLC) is a sequential process rather than an iterative process.
Multiple Choice 5 questions, 2 points each total 10 points 1) SQL command that allows a user to
permanently save data changes is A. Save B. Commit C. Update D. Deposit 2) An entity is said to
be -dependent if it can exist in the database only when it is associated with another related entity
occurrence. A. Existence B. Relationship B. Business D. Data 3) When using a(n) join, only rows
from the tables that match on a common value are returned. A. Left B. Inner C. Outer D. Right 4)
The maintenance and evolution phase of the Database Life Cycle (DBLC) involves. A. Defining
objectives B. Introducing changes C. Testing database D. Installing Database 5) User-access
management is a subset of A. Authentication B. Authorization management C. Managerial control
D. Password protection.
Mis quiz
This document contains 10 questions for an open quiz on Management Information Systems. The questions cover a range of topics including: defining terms related to traditional file systems, transaction processing systems, organization types, roles in information systems departments, wired and wireless transmission, network topologies, e-commerce categories and models, web personalization, e-commerce payment systems, problems with traditional file systems, justifying a statement about mobile commerce marketing strategies, major system types from a functional perspective, and defining and explaining reach and richness as well as enterprise systems, supply chain management, customer relationship management, and enterprise applications challenges.
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Introduction of DSA||DATA STRUCTURE AND ALGORITHUM
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1. ________ occur(s) when data are isolated in separated informa.docx
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Management Information Systems 12th Edition Laudon Test Bank
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- 1. Questions extracted from: Coronel, C. and Morris, S. (2018). Database Systems: Design, Implementation, & Management, 13 th Edition., Cengage Learning ICT713: Tutorial 7 CompiledBy:DivyaLeekha 20OCT2020 ICT713 Advanced Database Design and Development Tutorial 7 Topic: Distributed database management system and normalization Objective: Students learn about the Distributed database management system and apply normalization techniques Submission: Five minutes before the end of the tutorial word file containing student’s answers need to be uploaded on Moodle Part A: Answer the following questions: 1. A fully distributed database management systemmust perform all of the functions of a centralized database management system(DBMS). What are these functions? 2. Explain the difference between homogeneous and heterogeneous distributed database management systems (DDBMS). 3. What is transaction transparency? What are some of the basic concepts that one should know to understand how transactions are managed in a distributed database management system (DDBMS)? Part B: Normalization 1. a. Determine the functional dependenciesthatexistinthe followingtable. Orders(OrderNum,OrderDate,ItemNum, Description,NumOrdered, QuotedPrice) b. Afterdeterminingthe functional dependencies,convertthistable toan equivalent collectionof tablesthatare inthirdnormal form (3NF). 2. Explainhowwouldyoumodifythistable sothatthe informationwouldbe storedina First Normal form(1NF) relation?
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