import java.sql.*;
public class GetDBInfo
{
public GetDBInfo()
{
}
public static void main(String[] args)
{
try{
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
String url="jdbc:microsoft:sqlserver://GAOXIANG:1433;DataBaseName=master";
String user="daryl715";
String pass="1234";
String s;
Connection con=DriverManager.getConnection(url,user,pass);
DatabaseMetaData dbmd=con.getMetaData();
s = dbmd.getDriverName();
System.out.println("驱动程序的名称是: "+s);
System.out.println(" ");
s = dbmd.getDatabaseProductName();
System.out.println ("数据库名称是:"+s);
System.out.println(" ");
ResultSet rs = dbmd.getSchemas();
System.out.println("模式名有:");
while(rs.next())
System.out.print(" "+rs.getString(1));
System.out.println();
s = dbmd.getSQLKeywords();
System.out.println("SQL中的关键词为: "+s);
System.out.println(" ");
int max=dbmd.getMaxColumnNameLength();
System.out.println ("列名的最大长度可以是:"+max);
System.out.println(" ");
max = dbmd.getMaxTableNameLength();
System.out.println ("表名的最大长度可以是:"+max);
System.out.println(" ");
max = dbmd.getMaxColumnsInSelect();
System.out.println ("一个select 子句所能返回的最多列数列名的最大长度可是是:"+max);