Entity-relationship diagrams (ERDs) should be developed whether the information system is to be developed in-house or purchased from a vendor.

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Entity-relationship diagrams (ERDs) are fundamental tools for designing and analyzing relational databases. They help to identify and organize the entities (objects, concepts, or events) that need to be represented in the database and the relationships among them. Developing an ERD is a crucial step in the database design process, regardless of whether the system is being developed in-house or purchased from a vendor. It helps to ensure that the requirements are well understood and that the database structure is sound and efficient.

Entity-Relationship Diagrams (ERDs) Should Be Developed Whether the Information System