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Symbols in data modeling (crow Feet, etc.)

What are the standard notation in database modeling. Visio offers two types: musical notation and simple arrows. So what are industry standards? I am very new to database modeling and design, so please excuse me if my question is too fictitious.

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both are standards for different methodologies. use the one you like best

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. , "1.. *", . IDEF1X Visio, , , .

, "" . , Microsoft, , - , , -, .

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Source: https://habr.com/ru/post/1753560/

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