SQL Server multiple schema object issues

Question

I have database that has multiple schemas and objects under them. I want to consolidate the objects into one schema.

I tried

ALTER SCHEMA dbo TRANSFER <custom_schema>.<table_name>

I get an "object already exists message". However, i can't see it in the Management studio and

SELECT * from dbo.<table_name>

returns "object does not exist" error.

Looks like some system table entry is out of whack. I looked at sysobjects and it has only one entry for . Any suggestions on how to trouble shoot/ fix this issue is welcome.

Note: I can create a synonym

CREATE SYNONYM dbo.<table_name> FOR <custom_schema>.<table_name>

works fine

Answer 1

According to this MSDN page your issue may be caused by a duplicate primary key name. i.e. your table_name's primary key name conflicts with a primary key name already defined within some other table in dbo.

To resolve this issue, rename the primary key for the table that you want to move. Use a name that does not appear as a primary key in the destination schema.