write definition of erdentity relationship
Write definition of ERD?
Entity Relationship Diagram shows the graphical presentation of the object relationship pair. It is above all used in database applications.
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what are the aims of analysis modellingi to make apparent what the customer wantsii to set up a basis for the creation of software designiii to
what does data modelling meansdata modelling is the first step in the analysis modelling in data modelling the data objects are checked independently
what does data object meansdata object is a group of attributes that behave as an aspect quality characteristic or descriptor of the
what is the meaning of cardinality in data modellingcardinality in data modelling cardinality specifies how the of occurrences of one object is
write definition of erdentity relationship diagram shows the graphical presentation of the object relationship pair it is above all used in database
write definition of dfddata flow diagram supplies the information flow and the transforms that are used on the data as it moves from input to
what does level0 dfd meanslevel0 dfd is called as fundamental system model or context model in the context model the total software system is
write definition of state transition diagramstate transition diagram is mainly a collection of states and events due to the events the system has to
define data dictionarythe data dictionary is defined as an organized collection of all the data elements of the system with accurate and rigorous
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