Få listen over unikke begrænsninger og indekser i en database

Da unikke begrænsninger er implementeret under omslagene som indekser, kan du få alle disse oplysninger direkte fra sys.indexes:

SELECT
  [schema] = OBJECT_SCHEMA_NAME([object_id]),
  [table]  = OBJECT_NAME([object_id]),
  [index]  = name, 
  is_unique_constraint,
  is_unique,
  is_primary_key
FROM sys.indexes
-- WHERE [object_id] = OBJECT_ID('dbo.tablename');

For at gentage for alle databaser (og formentlig uden filteret for en specifik tabel):

DECLARE @sql NVARCHAR(MAX) = N'';

SELECT @sql += 'SELECT db = ' + name + ',
    [schema] = OBJECT_SCHEMA_NAME([object_id]),
    [table]  = OBJECT_NAME([object_id]),
    [index]  = name, 
    is_unique_constraint,
    is_unique,
    is_primary_key
  FROM ' + QUOTENAME(name) + '.sys.indexes;'
FROM sys.databases
WHERE database_id BETWEEN 4 AND 32766;

EXEC sp_executesql @sql;