: Re: Need help with SELECT 2 tables from choice of 3
Why no have 3 tables:
Members
Data
TheseMembersAreOld
Members and Data are as you have them defined. TheseMembersAreOld
contains only the Member_ID field.
You then make the Member_ID field primary key on TheseMembersAreOld and
Members. You can
You can join all three tables together
select d.members_id, m.name, old.name from data as d
left join members as m on m.members_id=d.members_id
left join oldmembers as old on old.members_id=d.members_id
If the members_id belongs to an old member, all fields from the member table
Hi there
I need help :-)) If anybody could be so kind and help me...
I have 3 tables:
OldMembers
Memebers
Data
In Data there is a field Member_ID. Now in this field all members bigger than
100.000 are old ones and must be taken from the OldMembers table (both tables
are not using same data so
OldMembers
Memebers
Data
Why no have 3 tables:
Members
Data
TheseMembersAreOld
Members and Data are as you have them defined. TheseMembersAreOld
contains only the Member_ID field.
You then make the Member_ID field primary key on TheseMembersAreOld and
Members. You can then perform a very
Why no have 3 tables:
Members
Data
TheseMembersAreOld
Members and Data are as you have them defined. TheseMembersAreOld
contains only the Member_ID field.
You then make the Member_ID field primary key on TheseMembersAreOld and
Members. You can then perform a very fast joins.
Hm, thank you for
