p081517 - 経済統計練習帳

package ken;
 
 
import java.sql.*; 
 
public class table{
 
    Connection dbx;   
Statement stx;   
String sqx; 
ResultSet  rsx; 
int creditnumber;
String[] credit=new String[50];
String[] style=new String[50];
int[] strlong=new int[50];
 
 
 
 
    void makedata(String db,String tab){
 
 
 
        String str;
 
        str="";
        int s;
        for(s=1;s<creditnumber;s++){
        if(style[s].equals("INTEGER"))str=str+credit[s]+" "+style[s]+",";
        if(style[s].equals("VARCHAR"))str=str+credit[s]+" "+style[s]+"("+strlong[s]+"),";
        }
        s=creditnumber;
        if(style[s].equals("INTEGER"))str=str+credit[s]+" "+style[s];
        if(style[s].equals("VARCHAR"))str=str+credit[s]+" "+style[s]+"("+strlong[s]+")";
 
 
 
 
    String url = "jdbc:h2:"+db+";create=true";   
String usr = "";   
String pwd = ""; 
 
 
 try{
 Class.forName("org.h2.Driver");
 
dbx = DriverManager.getConnection(url, usr, pwd); 
 
 
      stx = dbx.createStatement();
 
      String sqx = "CREATE TABLE " +tab+"("+str+")"; 
 
 
      stx.executeUpdate(sqx);
 
 } catch (Exception ex) { ex.printStackTrace();} 
 
 
 
 
 
 
    }
}