Posted On: Nov 18, 2020
ER diagram (Entity Relationship diagram) is a flowchart that is used in database design. As the name suggests, it describes the relationship between entities. An entity can be anything like people, objects (tangible and intangible), or concept. In software engineering, ERD is used to design or debug relational databases. ERD utilizes various symbols like ovals, diamonds, rectangles,s and connecting lines to represent the relation, interconnectedness, and attributes of entities.
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There are mainly 6 phases of SDLC:Requirement gathering and analysis Design Implementation or coding Testing Deployment Maintenance...