747b0392__5_1___Postgres_OnLine_Journal__Microsoft_SQL_Server_2008
[Feature] Graphical Query/View Designer (e.g. you can see tables and select fields drag lines to do joins) included no additional charge. As people pointed out there are lots of commercial and free tools that will do this for you. We'll provide a listing and brief summary of features etc. of some of these in our product showcase later. [MySQL 5.1] No [PostgreSQL 8.4] Yes. As of PgAdmin III 1.9, but its kind of hockey -- doesn't do JOINS right. [Microsoft SQL Server 2008] 
Yes via SQL Management Studio and Studio Express and pretty nice.
Cross Compare of PostgreSQL 8.4, SQL Server 2008, MySQL 5.1 - Postgres OnLine Journal
Microsoft SQL Server 2008