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/**
*
* ´æ·ÅoracleÊý¾Ý¿âµÄÁ´½ÓÐÅÏ¢¡£
*
* @author ZhongHuiQiang
*
*/
public interface IOracleDAOInfor {
String DB_SERVER_HOSET = "localhost";
String DB_SERVER_NAME = "ppoo";
String DB_USER_NAME = "system";
String DB_USER_PASSWORD = "ppoo";
String DB_URL = "jdbc:oracle:thin:@" + DB_SERVER_HOSET + ":1521:"
+ DB_SERVER_NAME;
}
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import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import oracle.jdbc.pool.OracleConnectionCacheImpl;
/**
*
* ¿ÉÒÔ»ñµÃÊý¾Ý¿âÁ¬½ÓµÄConnection¡£<br>
* ÒÔ¼°¹Ø±ÕÖ¸¶¨µÄÊý¾Ý¿âConnection`£ÒesultSetºÍStatement<br>
*
* @author ZhongHuiQiang
*
*/
public class OracleDAOFactory implements IOracleDAOInfor {
/**
*
* µÃµ½Ò»¸öConnection¶ÔÏó
*
* @return java.sql.Connection
*/
public static Connection getConn() {
Connection conn = null;
try {
OracleConnectionCacheImpl occi = new OracleConnectionCacheImpl();
occi.setURL(DB_URL);
occi.setUser(DB_USER_NAME);
occi.setPassword(DB_USER_PASSWORD);
occi.setMinLimit(2); // ×îСÁ¬½ÓÊý
occi.setMaxLimit(10); // ×î´óÁ¬½ÓÊý
conn = occi.getConnection();
} catch (SQLException e) {
System.out.println("Êý¾Ý¿âÁ´½ÓÓÐÎÊÌ⣬Õâ¸öÔÚOracleDAO.javaÀàÖÐ");
}
return conn;
}
/**
*
* ¹Ø±ÕÖ¸¶¨µÄ½á¹û¼¯
*
* @param rs
* Òª¹Ø±ÕµÄResultSet
*/
public static void closeResultSet(ResultSet rs) {
try {
if (rs != null) {
rs.close();
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grep MemTotal /proc/meminfo
grep SwapTotal /proc/meminfo
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# grep MemTotal /proc/meminfo
MemTotal:512236 kB
# grep SwapTotal /proc/meminfo
SwapTotal:1574360 kB
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lower:ת»»ÎªÐ¡Ð´
Select ENAME,LOWER(ENAME) from EMP
upper:ת»»Îª´óд
Select upper( ......
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CREATE TABLE example(
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oracle·¢ËÍÓʼþ´æ´¢¹ý³Ì:
create or replace procedure bsd_sendemail(
p_receiver varchar2,
p_sub varchar2,
p_txt varchar2)
is
p_user varchar2(30):='';
p_pass varchar2(30):='';
p_sendor varchar2(20):='Gnie';
p_server varchar2(20):='Mail_Server_IP';
p_port number:=25;
p_need_smtp number:=0;
p ......
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SQL> select sys_guid() from dual ;
SYS_GUID()
--------------------------------
F18031C69D8345DEB305D4B2E796A282
Äã¿ÉÒ԰ѱíµÄÖ÷¼ü×ֶεÄȱʡֵÉèΪsys_guid()
insert into luxian_info (id) values(sys_guid()); ......