--Migration
DECLARE @sql nvarchar(max) = N''

SELECT @sql = 'ALTER TABLE [dbo].[T_FOGLALKOZAS] DROP CONSTRAINT [' + d.name + '];' 
FROM sys.default_constraints d 
  INNER JOIN sys.all_columns c ON c.column_id = d.parent_column_id AND d.parent_object_id = c.object_id
WHERE d.parent_object_id = OBJECT_ID('T_FOGLALKOZAS') 
  AND c.name = 'C_TULORASZAM'

EXEC sp_executesql @sql
GO

ALTER TABLE [dbo].[T_FOGLALKOZAS] ALTER COLUMN [C_TULORASZAM] NUMERIC (10, 2) NOT NULL;
GO

ALTER TABLE [dbo].[T_FOGLALKOZAS] ADD DEFAULT ((0)) FOR [C_TULORASZAM];
GO

DECLARE @sql nvarchar(max) = N''

SELECT @sql += 'EXEC sp_refreshview ''[' + SCHEMA_NAME(schema_id) + '].[' + name + ']'';' 
FROM sys.views v 
WHERE v.name IN ('T_FOGLALKOZAS', 'T_FOGLALKOZAS_OSSZES')

EXEC sp_executesql @sql
GO