Question

Explain symbol used in ER model.​

Answer 1

Answer:

ER- Diagram is a visual representation of data that describe how data is related to each other. Rectangles: This symbol represent entity types. Ellipses : Symbol represent attributes. Diamonds: This symbol represents relationship types.

Explanation:

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Answer 2

Answer:

Here's ur answer mate.....

Explanation:

In the ER diagram the relationship between two strong entity set shown by using a diamond symbol. The relationship between one strong and a weak entity set shown by using the double diamond symbol.

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