---

USE [myNewVasya];
SET XACT_ABORT ON;

BEGIN TRY
    BEGIN TRANSACTION;

    ALTER TABLE dbo.sb_answer
        ALTER COLUMN answer nvarchar(max) NULL;

    ALTER TABLE dbo.sb_answerData
        ALTER COLUMN answer nvarchar(max) NULL;

    COMMIT;
END TRY
BEGIN CATCH
    IF @@TRANCOUNT > 0 ROLLBACK;
    THROW;
END CATCH;