In almost every enterprise scale system there are some tree structures to be held in the database. It could be a system menu structure, an enterprise organisation structure or a user hierarchy. Lets assume that we need to model insurance agents hierarchy for insurance policies processing system. Thinking about agents as children and parents and creating such structures seems to be natural: Agents tableColumnTypeIDInt, not nullParentIDInt, nullRole/RangeSome example attribute Structure...
Strona głównaBazy danych i XML
Bazy danych i XML 4319 dni, 3 godziny, 58 minut temu 25 pokaż kod licznika zwiń