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
Oracle log files : An introduction
The Oracle server maintains the redo Oracle log files to minimize the loss of data in the Database in case of an uncontrolled shutdown.
Online redo Oracle log files are filled with redo records. A redo record, also called a redo entry, is made up of a gr ......
Oracle AWR ½éÉÜ(AWR -- Automatic Workload Repository)
http://blog.csdn.net/tianlesoftware/archive/2009/10/17/4682300.aspx
Ò». ADDM¸ÅÊö
ADDM(Automatic Database Diagnostic Monitor) ÊÇÖ²ÈëOracleÊý¾Ý¿âµÄÒ»¸ö×ÔÕï¶ÏÒýÇæ.ADDM ͨ¹ý¼ì²éºÍ ......
MYSQLºÍORACLEµÄһЩ²Ù×÷Çø±ð
ÓкܶàÓ¦ÓÃÏîÄ¿, ¸ÕÆð²½µÄʱºòÓÃMYSQLÊý¾Ý¿â»ù±¾ÉÏÄÜʵÏÖ¸÷ÖÖ¹¦ÄÜÐèÇó£¬Ëæ×ÅÓ¦ÓÃÓû§µÄÔö¶à£¬Êý¾ÝÁ¿µÄÔö¼Ó£¬MYSQL½¥½¥µØ³öÏÖ²»¿°ÖظºµÄÇé¿ö£ºÁ¬½ÓºÜÂýÉõÖÁå´»ú£¬ÓÚÊǾÍÓаÑÊý¾Ý´ÓMYSQLǨµ½ORACLEµÄÐèÇó£¬Ó¦ÓóÌÐòÒ²ÒªÏàÓ¦×öһЩÐ޸ġ£±¾ÈË×ܽá³öÒÔϼ¸µã×¢ÒâÊÂÏϣÍû¶Ô´ó¼ÒÓÐËù°ïÖú¡£
1.×Ô ......
Ò»£º»Ø¹ö¶Î¸ÅÊö
¡¡¡¡»Ø¹ö¶ÎÓÃÓÚ´æ·ÅÊý¾ÝÐÞ¸Ä֮ǰµÄÖµ£¨°üÀ¨Êý¾ÝÐÞ¸Ä֮ǰµÄλÖúÍÖµ£©¡£»Ø¹ö¶ÎµÄÍ·²¿°üº¬ÕýÔÚʹÓõĸûعö¶ÎÊÂÎñµÄÐÅÏ¢¡£Ò»¸öÊÂÎñÖ»ÄÜʹÓÃÒ»¸ö»Ø¹ö¶ÎÀ´´æ·ÅËüµÄ»Ø¹öÐÅÏ¢£¬¶øÒ»¸ö»Ø¹ö¶Î¿ÉÒÔ´æ·Å¶à¸öÊÂÎñµÄ»Ø¹öÐÅÏ¢¡£
»Ø¹ö¶ÎµÄ×÷ÓÃ
¡¡¡¡ÊÂÎñ»Ø¹ö£ºµ±ÊÂÎñÐ޸ıíÖÐÊý¾ÝµÄʱºò£¬¸ÃÊý¾ÝÐÞ¸ÄÇ°µÄÖµ£¨¼´Ç°Ó°Ïñ£ ......
ORACLEµÄ¿ØÖÆÎļþÊÇÊý¾Ý¿âµÄ·Ç³£ÖØÒªµÄÎļþ£¬Ëü±£´æ×ÅÊý¾Ý¿âµÄÁ¬½ÓʵÀý(instance)ºÍdatabaseµÄÒ»¸öÇÅÁº£¬Ëü¶¨ÒåÁ˵±Ç°Êý¾Ý¿âÎïÀíÐÅÏ¢µÄ״̬¡£Òò´Ë¿ØÖÆÎļþ¶ÔÓÚÒ»¸öÊý¾Ý¿âÀ´ËµÊǷdz£ÖØÒªµÄ£¬ÔÚijЩʱºòÎÒÃÇÐèÒªÖØд´½¨¿ØÖÆÎļþ£º
1¡£µ±¿ØÖÆÎļþ¶ªÊ§µÄʱºò£¬²¢ÇÒûÓÐ×î½üµÄÎļþCopy±¸·Ý£¨Ò»°ãÔÚ½¨¿âÍê³ÉºóµÄÉú³ÉÒ»¸ö´´½¨Con ......