00:01
In this question, the er diagram is like, first we have donor, so this is the donor and this is connected with what? connected with first name, name o, okay, and then it is connected with the telephone and this then is connected with the address, then donor id, after donor id it is connected with the blood class id.
01:01
This is for the donor.
01:03
Now, this donor is connected with what? donor is connected to donate, then this donor is also connected to what? this donate is now connected to what? this donate is now connected to donation, it is connected to the donation, so donation has also multiple part that is the place of donation first, place of donation, then it is connected with what? that connected with the patient id, it is also connected with the donor id and it is connected with the date and this donor is also connected with what? this donor is connected with off, this is off, okay and now this off and donation is also connected, so this donation is connected with for, okay.
02:31
Now, this off is connected with what? this off is connected with blood class and this blood class is connected with blood id, and this blood class is also connected with blood class name.
02:54
Now for, for is connected with what? for is connected with blood request and this blood request is connected with what? blood request is connected with patient id, then with quantity then with what? then with date, then with location, and after location it is connected with what? it is connected with blood class id, okay.
03:44
This is also connected with what? this is also connected with request, okay...