sherkat:
idsh		int , PK	
address		nvarchar(50)
tell		nvarchar(20)
fax		nvarchar(20)


users:
id		int , PK
nam		nvarchar(20)
pass		nvarchar(20)
noe		tinyint


fforoshd:
idff		nvarchar(12)
idd		int
tedad		int
qeymatv		bigint
qeymatk		bigint


fforosh:
idff		nvarchar(12) , PK
iduser		int
tedadekol		int
jamekol		bigint
tarikh		nchar(10)


fkharidd:
idf		nvarchar(12)
idd		int
tedad		int


fkharid:
idf		nvarchar(12) , PK
idsh		int
tedadekol		int
tarikh		nchar(10)


daroo:
idd		int , PK
named		nvarchar(50)
noed		nvarchar(10)
mojodi		int
sherkat		int