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Explain the term- Data Flows
Data Flows: A data flow connects output of an object or process to input of another process or object. It represents an in-between data value within a computation. Data flow states direction of flow of data from the source objects to destination object.
assignment
Which model is record based logical model? Network Modelis basically known as record based logical model.
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Explain the difference between using functions along with and without grouping attributes in relational algebra. Give examples. Ans: Group functions are used to group data of
Explain the relevance of Data Dictionary in a Database System? Data dictionary is a database in its own right residing on the disk that consist of Meta data which is = Data abo
What is normalization? It is a method of analysing the given relation schemas based on their Functional Dependencies (FDs) and primary key to attain the properties (1).Minim
Define average latency time. The average latency time of the disk is one-half the time for a full rotation of the disk.
i want help to complete my task
HOW MANY TYPES OF VIEWS
as a customer service employee explain five measures you would recommend to make even a displeased students patronize the school canteen
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