One to many relationship INNER JOIN condition

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One to many relationship INNER JOIN condition

Message

14/02/2011 10:15:43

Michel Fournier
Level Extreme Inc.
Petit-Rocher, Nouveau-Brunswick, Canada

14/02/2011 09:57:24

Naomi Nosonovsky
Wisconsin, États-Unis

Information générale

Forum:

Microsoft SQL Server

Catégorie:

Syntaxe SQL

Titre:

Re: One to many relationship INNER JOIN condition

Versions des environnements

SQL Server:

SQL Server 2008

Application:

Web

Divers

Thread ID:

01500073

Message ID:

01500098

Vues:

>If you want to make sure that all records are enabled, then
>

>select M.Numero
>from Master M inner join ManyToManyTable MM on M.Numero = MM.NoMaster
>inner join ChildTable C on MM.NoChildTable = C.Numero
>group by M.Numero
>having min(case when C.Enabled = 1 then 1 else 0 end) = 1 -- means all records are enabled
>and sum(case when C.Enabled = 1 then 1 else 0 end) = count(C.Numero) -- total number of enabled records = total number of joined records

Unfortunately, this does not work either.

Michel Fournier
Level Extreme Inc.
Designer, architect, owner of the Level Extreme Platform
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