CREATE TABLE Variant
       (id     INTEGER      NOT NULL IDENTITY(1,1),
		id_var     INTEGER    CONSTRAINT var_prk PRIMARY KEY,
        variant      NVARCHAR(500)  NOT NULL , 
		right_answ 	BIT NOT NULL , 
		CONSTRAINT var_unq_nam UNIQUE (variant,right_answ)
		)
GO
insert into Variant (id_var, variant, right_answ) values (1,'да', 0)
insert into Variant (id_var, variant, right_answ) values (1,'нет',1)

CREATE TABLE Organizer
       (id     INTEGER     NOT NULL IDENTITY(1,1) CONSTRAINT org_prk PRIMARY KEY,
        Name      VARCHAR(100)  NOT NULL ,
		id_quest      INTEGER      NOT NULL CONSTRAINT org_frk_org REFERENCES Question(id) ON DELETE CASCADE ,
		id_var     INTEGER      NOT NULL CONSTRAINT var_frk_org REFERENCES Variant(id_var) ON DELETE CASCADE ,
		Num_of_quest      INTEGER  NOT NULL ,		
		time_on_answ 	 Time   NOT NULL ,
        CONSTRAINT org_unq_nam UNIQUE (Name, id_quest, id_var,  Num_of_quest, time_on_answ))
		
go
insert into Organizer (name, id_quest, id_var, Num_of_quest, time_on_answ) values ('Тест SQL Junior Level', 1,1,1,'00:02:00')