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Describe the relevance of the following to a Decision Support System (DSS):(i) Specialised packages: (ii) Query languages; (iii) Database management system

      

Describe the relevance of the following to a Decision Support System (DSS):
(i) Specialised packages:
(ii) Query languages;
(iii) Database management system

  

Answers


gregory
Specialised packages
Specialised packages refers to special application programs which are fully documented
for the performances of a particular problem. They can be statistical or quantitative for
example, spreadsheet, accounting packages, graphics, design or clerical packages.
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These packages assist the user of a Decision Support System in analysing the
different courses of action regarding a particular problem. They are particularly
important during the analysis stage by the system so that various courses of action
can be recommended.
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Specialised packages can also be used during sensitivity analysis during decision-making.
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These packages also help decision makers in analysing various decision models, for example,
through variance analysis, linear programming and regression analysis system.
2. Query languages.
These are computer facilities, which allow a user of a database or Decision Support
System to formulate ad hoc queries in order to obtain useful information from the
database. The relevance of query languages to a Decision Support System is to help the
users of the system to express what result is required without specifying how the result is
to be obtained. In this case, the user is able to obtain a variety of recommendation and
approaches to his queries.
3. Database Management Systems
This refers to a set of software or programs, which provide the interface between the
logical and the physical data it manages the database. Its relevance to the Decision
Support System in that it handles the interpretation and processing of the statements
which are commanded in the query language. The Database Management System
facilitates the retrieval of the required data from the data files in the manner which the
user specifies and which it communicates in the manner appropriate for his decisions.
gregorymasila answered the question on December 3, 2017 at 11:16


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