ER is a high level conceptual data base diagram.ER modeling helps us to create well designed data base with systematic analyzement. Thats why it is very important to practice er diagram before create a database.
Actually ER Diagram explains the logical structure of database.Even though ER diagram is similar to the flowchart it become unique because of its symbols and conceptual based exposes.
Actually ER Diagram explains the logical structure of database.Even though ER diagram is similar to the flowchart it become unique because of its symbols and conceptual based exposes.
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