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What are the various elements of data design?
i. Data object - The data objects are identified and relationship between various data objects can be shown using ERD or data dictionaries.
ii. Databases - Using software design model, the data models are translated into data structures and data bases at the request level.
iii. Data warehouses - At the business level useful information is identified from several databases and the data warehouses are formed.
describe normalization & its forms? plz i m very thankful.......
What are the various types of system testing? 1. Recovery testing - is intended to check the system's capability to recover from failures. 2. Security testing - verifies tha
What does the insert statement in extract datasets do? It describes the fields of a field group.
What are business process engineering tools? By modelling the strategic information requirements of an organization, business process engineering tools provide a "meta-model" f
Problem 1. Explain why it is necessary to design the system architecture before the specifications are written 2. Explain why it is important to describe software designs 3.
Hardware and Software Requirements: The present versions of CDS/ISIS require the following minimum hardware and software: i) MS-DOS Version: an IBM PC or Compatible micro
5. Write a c++ program to find the sum of 0.123 ??103 and 0.456 ??102 and write the result in three significant digits.
Determine the level 0 and level 1 of DFD External entities provide input data for processing. During processing, some intermediate data is generated. After final processing, fi
Q. Explain basic information flow model & it's more sophisticated versions? Ans. A Information flow metrics are useful to the components of a system design. For any compone
Explain the role and functions of a Systems Analyst in the overall project development.
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