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/**
*
* ˵Ã÷£º
* £¨1£©±¾ÀýʹÓÃJDBC_ODBCÇŽøÐÐÊý¾Ý¿âÁ¬½Ó£¬¹Ê´ËÐèÒªODBCÊý¾ÝÔ´
* £¨2£©±¾ÀýÖÐSQLΪ¸üÐÂÓï¾ä£¬¹Ê´ËʹÓÃÔØÌåµÄexecuteUpdate·½·¨£¬²¢ÇÒ·µ»ØÊÜÓ°Ïì¼Ç¼Êý
* (3) ÅäÖÃÁ¬½ÓORACLEµÄodbcÊý¾ÝÔ´ora
*/
//µ¼ÈëËùÐèÀà°ü
import java.sql.*;
public class JdbcTestOra2 {
public static void main(String args[]) {
    try {
      //×°ÔØÇý¶¯³ÌÐò
      Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
     
      //½¨Á¢Êý¾Ý¿âÁ¬½Ó
      Connection con =
DriverManager.getConnection("jdbc:odbc:ora","scott","tiger");
     
      //´´½¨SQLÓï¾äÔØÌå
      Statement st = con.createStatement();
     
      //Ö´ÐÐSQLÓï¾ä£¬½ÓÊÕÖ´Ðнá¹û
      int rs = st.executeUpdate("update emp set
comm=1000");
           
      //´¦Àí½á¹û
      System.out.println("Ð޸ļǼÊý£º"+rs);
     
      //ÊÍ·ÅÊý¾Ý¿â×ÊÔ´£¬×¢Òâ˳Ðò
      st.close();
      con.close();           
    }
    catch (Exception e) {
      e.printStackTrace(System


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1. OracleOraHome90Agent
2. OracleOraHome90HTTPServer
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4. OracleServiceORA
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Oracle Waits event:DB File Scattered Read

The DB File Scattered Read wait event generally indicates waits related to full table scans or fast
full index scans. As full table scans are pulled into memory, they are scattered throughout the
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linux ÉϵÄoracle sqlplus ²»ÄÜÀûÓà ÉÏ, Ï ¼üÀ´²é¿´ÃüÁËÑË÷µ½½â¾öÎÊÌâµÄ°ì·¨£¬ÕûÀíÈçÏÂ
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OracleºÍMySQL¡¢PostgreSQLÌØÐÔ¶Ô±È

¡¡Ëæ×ÅÏÖ´úÊý¾Ý¿â¿ÉÓÃÌØÕ÷¼¯µÄѸËÙÔö¼Ó£¬ºÜÄÑÇø·ÖÊëºÃÊ뻵¡£ÀýÈçOracleÀï¾ÍÓÐÐí¶àÄã¿ÉÄÜ´ÓÀ´¶¼²»ÐèÒªµÄ¸ß¼¶Êý¾Ý²Ö¿âÌØÕ÷¡£´ËÍâÒ²¿ÉÄÜÓÐһЩÆäËü²»¿É»òȱµÄÌØÕ÷±ÈÈçACIDÊÂÎñÌØÐÔ¡£ÎÒÃÇÀ´¿´Ò»¿´Ö÷ÒªµÄÒ»Ð©ÌØÕ÷£¬±ÈÈç´æ´¢¹ý³Ì£¬ÊÓͼ£¬¿ìÕÕ£¬±íÊý¾ÝÀàÐͺÍÊÂÎñµÈµÈ¡£Í¬Ê±ÎÒÃÇ·ÖÎöÒ»ÏÂPostgresql£¬MySQLºÍOracleÕ⼸¸öÊý¾Ý¿â£¬È»º ......

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  LV Name                /dev/db_v4/db_d_22
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