Dbschema show cardinality
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Business process re-engineering (BPR): ER diagrams help in analyzing databases used in business process re-engineering and in modeling a new database setup.It can streamline processes, uncover information more easily and improve results. Any business process that uses fielded data involving entities, actions and interplay can potentially benefit from a relational database.
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Business information systems: The diagrams are used to design or analyze relational databases used in business processes.Drawing the diagram should reveal where it’s going wrong. Database troubleshooting: ER diagrams are used to analyze existing databases to find and resolve problems in logic or deployment.A relational database has an equivalent relational table and can potentially be expressed that way as needed. It’s also later used to model a particular database or databases.