Household members (member) ((door number (Hno), identification number (ID), Name (Name), the people? (Nation), sex?? Don't (Sex), and the relationship with the head of the household (base))
Area (area) (((areaHno) area, area of areaName), area (areacensus) census register seat, door number (Hno), telephone (phone))
Emigration, immigration (Mone) ((number (MoneID, door number (Hno), Time (Time), moved into the beginning area (Moneregion))
Cancellation record (Logout) ((no. (LogoutID), number (Hno), time (LogoutTime), relationship with the head of the household (base), the cancellation reason (cause))
Is the name of the table in the beginning, want to find a trigger but can't figure out, what kind of trigger can be, please bosses help, has trouble also help correct a mistake
CodePudding user response:
Really don't understand what you want,You are the first half of the descriptions of the form, and then say you want a trigger, no connection,
CodePudding user response:
Do you need trigger to realize what function?CodePudding user response: