if not Exists(SELECT * FROM information_schema.tables where Table_name = 'Booth') begin create table dbo.Booth ( ID int primary key, Code int not null, Title nvarchar(200), Name nvarchar(200), Mat_ID bigint references Matter(ID) not null, Taf_ID bigint references Tafsili(ID) not null, Bio nvarchar(1000), Address nvarchar(300), Tel nvarchar(300), Mobile nvarchar(300) ) end