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system analysis and Design, Database Management System
difference between MIS and DSS
Posted Date: 8/18/2012 11:41:44 AM | Location : United States
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Statistical analysis of data, An important first step to the statistical an...
An important first step to the statistical analysis of data is to "get to know your data". The following tasks should contribute to this. (a) To the right of the dataset cons
Describe logical data independence, Describe logical data independence ? ...
Describe logical data independence ? Logical Data Independence - It is the capacity to modify the conceptual schema without having to change external schemas or application p
Explain the ansi -sparc schema architecture, (a) Differentiate between info...
(a) Differentiate between information and data . (b) List and briefly explain five potential benefits of the database approach compared to conventional file systems. (c) Diff
Explain the concept of qbe, Explain the concept of QBE? Query-by-exampl...
Explain the concept of QBE? Query-by-example represents a visual/graphical approach for accessing information in a database by the use of query templates called as skeleton tab
Explain the database planning project, Explain the database Planning Proje...
Explain the database Planning Project ?
gaps in sequence values can happen when-sequences, Gaps in sequence values...
Gaps in sequence values can happen when: - A rollback happens that is when a statement changes are not accepted. - When the system crashes - When a sequence i
Describe the iterative and incremental life cycle, Describe the iterative a...
Describe the iterative and incremental life cycle For an iterative and incremental life cycle, two criteria are process and time. The main components of showing a project devel
Project operation, The PROJECT operation The project operation is used t...
The PROJECT operation The project operation is used to choose the records with specified attributes as discarding the others based on some related criteria. This is denotes as ∏
Using sql create a view rs for the relations r and s, Using SQL create a vi...
Using SQL create a view RS for the relations R and S. The view consists of the columns A and D renamed as X and Y in that order. Insert a tuple into it. Show the contents of t
What are the three types of data sources, What are the three types of data ...
What are the three types of data sources used with ODBC? An ODBC file data source is a file that can be shared between database users. An ODBC system data source is one that is
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