JDBC ¼òµ¥µÄOracleÁ¬½Ó
/*Ö÷ÒªÊÇΪÁË¿´ÇåÁ¬½ÓÂß¼£¬ËùÒÔ°ÑÒì³£Exception*/
import java.sql.*;
public class TestJDBC {
public static void main(String[] args) throws Exception {
ResultSet rs = null;
Statement stmt = null;
Connection conn = null;
Class.forName("oracle.jdbc.driver.OracleDriver");//ÒªÒýÈëOracleµÄclass12.jar
//new oracle.jdbc.driver.OracleDriver();
conn = DriverManager.getConnection("jdbc:oracle:thin:@192.168.0.1:1521:demo", "scott", "tiger");
stmt = conn.createStatement();
rs = stmt.executeQuery("select * from dept");
while(rs.next()) {
System.out.println(rs.getString("deptno"));
System.out.println(rs.getInt("deptno"));
}
rs.close();
stmt.close();
conn.close();
}
}
Ïà¹ØÎĵµ£º
ʲôÊǺϲ¢¶àÐÐ×Ö·û´®£¨Á¬½Ó×Ö·û´®£©ÄØ£¬ÀýÈ磺
SQL> desc test;
Name Type Nullable Default Comments
------- ------------ -------- ------- --------
COUNTRY VARCHAR2(20) Y &nb ......
ÎÒÃÇ´ó¼Ò¶¼ÖªµÀÿ¸öOracleÊý¾Ý¿â¶¼»áÓÐÒ»¸ö»òÊǶà¸öÎïÀíµÄOracleÊý¾ÝÎļþ,Êý¾Ý¿âÐÅÏ¢(½á¹¹,Êý¾Ý)µÄÖ÷Òª×÷ÓÃÊÇÀ´±£´æÔÚÕâЩÏà¹ØµÄÊý¾ÝÎļþ,¶øÇÒÖ»ÓÐÕâЩÏà¹ØµÄÎļþOracle²ÅÄܹ»½âÊÍÓë¹ÜÀíÕâЩ´æ´¢.OracleÊý¾ÝÎļþ¾ßÓÐÒÔÏÂһЩÌØÐÔ:
1.Ò»¸öÊý¾ÝÎļþ½ö½ö¹ØÁªÒ»¸öÊý¾Ý¿â,OracleÊý¾ÝÎļþÓëÊý¾Ý¿âÖ®¼ä¶ÔÓ¦¹ØϵÊÇÒ»¶ÔÒ»¹Øϵ,µ±È»· ......
ÎÒÃÇ´ó¼Ò¶¼ÖªµÀÿ¸öOracleÊý¾Ý¿â¶¼»áÓÐÒ»¸ö»òÊǶà¸öÎïÀíµÄOracleÊý¾ÝÎļþ,Êý¾Ý¿âÐÅÏ¢(½á¹¹,Êý¾Ý)µÄÖ÷Òª×÷ÓÃÊÇÀ´±£´æÔÚÕâЩÏà¹ØµÄÊý¾ÝÎļþ,¶øÇÒÖ»ÓÐÕâЩÏà¹ØµÄÎļþOracle²ÅÄܹ»½âÊÍÓë¹ÜÀíÕâЩ´æ´¢.OracleÊý¾ÝÎļþ¾ßÓÐÒÔÏÂһЩÌØÐÔ:
1.Ò»¸öÊý¾ÝÎļþ½ö½ö¹ØÁªÒ»¸öÊý¾Ý¿â,OracleÊý¾ÝÎļþÓëÊý¾Ý¿âÖ®¼ä¶ÔÓ¦¹ØϵÊÇÒ»¶ÔÒ»¹Øϵ,µ±È»· ......
TkprofÊÇÒ»¸öÓÃÓÚ·ÖÎöOracle¸ú×ÙÎļþ²¢ÇÒ²úÉúÒ»¸ö¸ü¼ÓÇåÎúºÏÀíµÄÊä³ö½á¹ûµÄ¿ÉÖ´Ðй¤¾ß¡£Èç¹ûÒ»¸öϵͳµÄÖ´ÐÐЧÂʱȽϵͣ¬Ò»¸ö±È½ÏºÃµÄ·½·¨ÊÇͨ¹ý¸ú×ÙÓû§µÄ»á»°²¢ÇÒʹÓÃTkprof¹¤¾ßʹÓÃÅÅÐò¹¦Äܸñʽ»¯Êä³ö£¬´Ó¶øÕÒ³öÓÐÎÊÌâµÄSQLÓï¾ä¡£
Ò». TKPROF ÃüÁîÓï·¨£º
TKPROF filename1, filename2  ......
ÔÚ°²×°ÍêOracle 10gÖ®ºó£¬Ïë´ò¿ªsql*plusÀ´Ñ§Ï°£¬È»ºó°´ÕÕÊéÉϵIJ½ÖèÓÃscottÓû§À´Á¬½ÓÊý¾Ý¿â£¬¿ÉÊäÁ˺ü¸´Î¶¼Ìáʾһ¸ö´íÎó¡£
¡¡¡¡error£º the account is locked
¡¡¡¡È»ºóÉÏÍø²éÁËÒ»ÏÂÖ®ºó·¢ÏÖÕâ¸öÓû§±»Ëø¶¨ÁË£¬ÖÁÓÚËüΪʲô±»Ëø¶¨£¬¿ÉÄÜÊÇÏÂÃ漸¸öÔÒò¡£
¡¡¡¡1.³¢ÊÔ¶à´ÎµÇ¼δ³É¹¦.(¿ÉÄÜÃÜÂë²»ÕýÈ·)
¡¡¡¡2.´ËÓû§±»¹ ......