Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Á¬½Óoracle£¬sqlserverÖÐÊý¾Ý¿âµÄʾÀý´úÂë

Ò» ÔÚOracleÖÐÁ¬½ÓÊý¾Ý¿â
public class Test1 {
 public static void main(String[] args) {
  try {
   Class.forName("oracle.jdbc.driver.OracleDriver");
   Connection conn = DriverManager.getConnection(
                           Ö÷»úÃû ¶Ë¿Ú SID      ÕʺŠ   ÃÜÂë
     "jdbc:oracle:thin:@haha:1521:oracle", "hehe", "a");
   Statement stt = conn.createStatement();
   ResultSet rs = stt.executeQuery("select * from emp");
   while (rs.next()) {
    System.out.print(rs.getObject(2).toString());
    System.out.println("\t" + rs.getObject(3).toString());
   }
   rs.close();
   stt.close();
   conn.close();
  } catch (Exception e) {
   e.printStackTrace();
  }
 }
}
¶þ ÔÚsqlserverÖÐÁ¬½ÓÊý¾Ý¿â
public class DBManager {
 String url="jjdbc:microsoft:sqlserver://localhost:1433;databaseName='student'";
 String driver ="com.microsoft.jdbc.sqlserver.SQLServerDriver";
 String useName="sa";
 String pwd="sa";
 Connection con =null;
 Statement sta=null;
 ResultSet rs=null;
 
 public ResultSet getQiery(String sql)
 {
  try {
   Class.forName(driver);
   con =DriverManager.getConnection(url,useName,pwd);
   sta = con.createStatement();
   rs =sta.executeQuery(sql);
  } catch (Exception e) {
        e.printStackTrace();
  }
  return rs;
 }
 public int getUpd(String sql)
 {
  int i=0;
  try {
&nb


Ïà¹ØÎĵµ£º

SQLServerºÍOracle³£Óú¯Êý¶Ô±È


Êýѧº¯Êý
ÔÚoracle ÖÐdistinct¹Ø¼ü×Ö¿ÉÒÔÏÔʾÏàͬ¼Ç¼ֻÏÔʾһÌõ
¡¡¡¡1.¾ø¶ÔÖµ
¡¡¡¡S:select abs(-1) value
¡¡¡¡O:select abs(-1) value from dual
¡¡¡¡2.È¡Õû(´ó)
¡¡¡¡S:select ceiling(-1.001) value
¡¡¡¡O:select ceil(-1.001) value from dual
¡¡¡¡3.È¡Õû£¨Ð¡£©
¡¡¡¡S:select floor(-1.001) value ......

oracleÓësqlserverÖ´ÐÐcount(*)·µ»ØµÄ½á¹û¼æÈÝ

ÓÉÓÚÒÔÇ°¶¼ÊÇÔÚsqlserver 2005´¦Àí£¬ÏÖÔÚ¿Í»§ÒªÇóoracleÊý¾Ý¿â·þÎñÆ÷£¬
×î³õµÄ´úÂëΪ£º
allRecordSize = (Integer) rs1.getObject(1);    //Integer allRecordSize=0;
µ±Ö´ÐеÄʱºò±¨£ºBigDecimalÎÞ·¨×ª»¯ÎªIntegerÀàÐÍ
ΪÁ˼æÈÝÁ½ÕßÐ޸ĺóµÄ´úÂëΪ£º
  Object o = rs1.getObject(1);
 &nbs ......

SQLServer´óÊý¾ÝÁ¿²åÈëBULK INSERT


SQLSERVER ´óÊý¾ÝÁ¿²åÈëÃüÁ
BULK INSERTÊÇSQLSERVERÖÐÌṩµÄÒ»Ìõ´óÊý¾ÝÁ¿µ¼ÈëµÄÃüÁËüÔËÓÃDTS(SSIS)µ¼ÈëÔ­Àí£¬¿ÉÒÔ´Ó±¾µØ»òÔ¶³Ì·þÎñÆ÷ÉÏÅúÁ¿µ¼ÈëÊý¾Ý¿â»òÎļþÊý¾Ý¡£ÅúÁ¿²åÈëÊÇÒ»¸ö¶ÀÁ¢µÄ²Ù×÷£¬ÓŵãÊÇЧÂʷdz£¸ß¡£È±µãÊdzöÏÖÎÊÌâºó²»¿ÉÒԻعö¡£
¡¡¡¡BULK INSERTÊÇÓÃÀ´½«ÍⲿÎļþÒÔÒ»ÖÖÌض¨µÄ¸ñʽ¼ÓÔ ......

SQLServerÊý¾Ý¼¯ºÏµÄ½»¡¢²¢¡¢²î¼¯ÔËËã

SQLServer2005ͨ¹ýintersect,union,exceptºÍÈý¸ö¹Ø¼ü×Ö¶ÔÓ¦½»¡¢²¢¡¢²îÈýÖÖ¼¯ºÏÔËËã¡£
ËûÃǵĶÔÓ¦¹Øϵ¿ÉÒԲο¼ÏÂÃæͼʾ
       Ïà¹Ø²âÊÔʵÀýÈçÏ£º
use tempdb
go
if (object_id ('t1' ) is not null ) drop table t1
if (object_id ('t2' ) is not null ) drop table t2
go
cre ......

pymssql·ÃÎÊsqlserverµÄÒ»¸öbug


¡¡¡¡¶ÔÊý¾Ý¿â½øÐжà±í²Ù×÷£¬Èç¹û±íÓë±íÖ®¼ä´æÔÚÒÀÀµ£¬ÄÇôÏÔʽµÄʹÓÃÊÂÎñ£¬¿ÉÒÔ±£³Ö¶ÔÊý¾Ý¿â²Ù×÷µÄÔ­×ÓÐÔ¡£ÓÃPython·ÃÎÊSqlServerÊý¾Ý¿â£¬ÎÒʹÓÃpymssql¿â¡£½ñÌìÔÚʹÓÃÕâ¸ö¿âµÄʱºò£¬·¢ÏÖÒ»¸öÎÊÌâ¡£
ÎÊÌâ´ó¸ÅÊÇÕâÑùµÄ£º
¡¡¡¡ÎÒÓÐÁ½ÕÅ±í£¬Ò»ÕÅÖ÷±í£¨ClassInfo£©£¬Ò»ÕÅ´Ó±í£¨Student£©£¬Student±íͨ¹ýÍâ¼üClassIDÓëClassI ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ