log4j ¼Ç¼ÈÕÖ¾·ÅÔÚoracleÖÐ
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package com.assi;
import org.apache.log4j.jdbc.JDBCAppender;
public class DB extends JDBCAppender {
public DB(){
this.setDriver("oracle.jdbc.driver.OracleDriver");
this.setURL("jdbc:oracle:thin:@172.18.220.10:1521:orcl");
this.setUser("log");
this.setPassword("log");
}
}
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package com.assi;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
public class CataLogs extends DB {
private DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss:SSS");
private Logger logger;
public CataLogs(){
logger=Logger.getLogger(CataLogs.class.getName());
}
//×Ô¶¯Ö´ÐеÄ
protected void execute(String sql){
Connection con=null;
PreparedStatement stmt=null;
try{
con=getConnection();
stmt=con.prepareStatement(this.getSql());
stmt.execute();
}
catch(Exception e){
e.printStackTrace();
&
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DECLARE
/*ÉùÃ÷²¿·Ö£ºÔÚ´ËÉùÃ÷PL/SQL±äÁ¿£¬ÀàÐͼ°Óα꣬ÒÔ¼°¾Ö²¿µÄ´æ´¢¹ý³ÌºÍº¯Êý*/
BEGIN
/*Ö´Ðв¿·Ö£º¹ý³Ì¼°sqlÓï¾ä£¬³ÌÐòÖ÷Òª²¿·Ö£¬ÊDZØÐëµÄ*/
EXCEPTION
/*Òì³£´¦Àí²¿·Ö£º´íÎó´¦Àí*/
END
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select * from table order by nlssort(name,'NLS_SORT=schinese_pinyin_M');
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select stu.sno, stu.sname
from student stu
where (select count(*) from s ......
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CREATE [OR REPLACE] TYPE [schema.] type_name
[AUTHID {CURRENT_USER|DEFINER}] AS OBJECT (
Attribute1 datatype,
[attribute2 datatype,…]
[method 1]
[method 2]);
/
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SELECT * from
(
SELECT A.*, ROWNUM RN
from (SELECT * from TABLE_NAME) A
WHERE ROWNUM <= 40
)
WHERE RN >= 21
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1. create table people (age int, id int);
2. ´´½¨Êý¾ÝÎļþPeopleDate.txt.
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20,1
30,2
3. ´´½¨ ......