???????????????????????????? ???????????????????? ????????????????????????????????: ???????????????? ???????????? ???????????????????????????? ???????????????? +????????????, ???????????????????????????????? ???????? ???????????? ????????????????????????????????????’???? ???????????????????? ????????????????????????. ???????????? ????????????????-???????????????????????????????????? ???????????????????????????????????????????????????? ???????????????????? (+????????) ???????????? ???????????? ???????????????? (????????) ???????? +????-????????????-????????????-???????????????? (????????), ???????????? ???????????? ???????????? ???????????????? ???????????????????????????????? ???????????????? ???????????????????? ???????? ???????????????????????? ????????????????????, ???????????????????? ???????????? ???????????????????????????????? ???????????? ???????????????????????? ????????????????.
An Entity Relationship (ER) Diagram is a type of flowchart that illustrates how “entities” such as people, objects or concepts relate to each other
An Entity Relationship (ER) Diagram is a type of flowchart that illustrates how “entities” such as people, objects or concepts relate to each other within a system. ER Diagrams are most often used to design or debug relational databases in the fields of software engineering, business information systems, education




