Update statistics for all tables in any DB

USE pubs -- Change desired database name here
GO
SET NOCOUNT ON
GO
DECLARE updatestats CURSOR FOR
SELECT table_name FROM information_schema.tables
where TABLE_TYPE = 'BASE TABLE'
OPEN updatestats

DECLARE @tablename NVARCHAR(128)
DECLARE @Statement NVARCHAR(300)

FETCH NEXT FROM updatestats INTO @tablename
WHILE (@@FETCH_STATUS = 0)
BEGIN
   PRINT N'UPDATING STATISTICS ' + @tablename
   SET @Statement = 'UPDATE STATISTICS '  + @tablename + '  WITH FULLSCAN'
   EXEC sp_executesql @Statement
   FETCH NEXT FROM updatestats INTO @tablename
END

CLOSE updatestats
DEALLOCATE updatestats
GO
SET NOCOUNT OFF
GO