using System;
using System.Data;
using System.Data.SqlClient;
class Program
{
static void Main(string[] args)
{
string xsdFileName = "AdventureWorks.xsd";
string sqlConnectString = "Data Source=(local);Integrated security=SSPI;Initial Catalog=AdventureWorks;";
string sqlText = "SELECT * FROM Sales.SalesOrderHeader;SELECT * FROM Sales.SalesOrderDetail;";
SqlDataAdapter da = new SqlDataAdapter(sqlText, sqlConnectString);
da.TableMappings.Add("Table", "SalesOrderHeader");
da.TableMappings.Add("Table1", "SalesOrderDetail");
DataSet ds = new DataSet("AdventureWorks");
da.FillSchema(ds, SchemaType.Mapped);
ds.Relations.Add("SalesOrderHeader_SalesOrderDetail",
ds.Tables["SalesOrderHeader"].Columns["SalesOrderID"],
ds.Tables["SalesOrderDetail"].Columns["SalesOrderID"]);
ds.WriteXmlSchema(xsdFileName);
}
}