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You asked for it. Here is my free course to help you kick start your data analytics journey. In this comprehensive video, learn: 1) How to approach a data analysis project 2) A real-world example data with 10 problems 3) Step by step walk thru 4) How to calculate descriptive statistics (mean, median, quartiles, range, distinct items & count) 5 ...
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Activity - 1:Why is the ER model considered a top-down approach? Describe the four basic componentsof the ER model.Activity - 2:The ER model uses a number of notations and tags to represent different concepts. Outlinehow the basic ER components are represented in an ER diagram.Activity - 3:Describe what attributes represent in an ER model and provide examples of simple,composite, single-value, multi-value, and derived attributes.
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