Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ʹÓÃoracleµÄjavaJVM£¬trigger

create or replace java source named FirstClass as
public class FirstClass{
public static String greeting(String name){
return "Hello " + name + "!";
}
}
/
create or replace function firstclass_greeting (name varchar2) return varchar as
language java name 'FirstClass.greeting(java.lang.String) return java.lang.String';
/
SQL> select firstclass_greeting('Bruce') from dual;
FIRSTCLASS_GREETING('BRUCE')
--------------------------------------------------------------------------------
Hello Bruce!
========================================
Listing 4. The Source Code for create_bookstore_tables.sql
drop table books
/
drop table publisher_supply_orders
/
create table books(
book_id number primary key,
publisher_id number,
page_count number,
author_name varchar2(50),
book_title varchar2(50),
description varchar2(500),
status varchar2(10),
inventory_qty number
)
/
insert into books values(100, 200, 234, 'Bruce Hopkins', 'Bluetooth for Java', 'great book', 'IN STOCK', 10);
insert into books values(101, 200, 401, 'Sam Jones', 'Living on the East Coast', 'worth every penny', 'IN STOCK', 50);
insert into books values(102, 250, 278, 'Max Jason', 'The South of France', 'a best-seller', 'IN STOCK', 20);
create table publisher_supply_orders(
book_id number,
publisher_id number,
order_quantity number
)
/
=================
create or replace java source named "ReorderTrigger" as

import java.sql.*;
import oracle.jdbc.driver.*;

public class ReorderTrigger {
public static int REORDER_THRESHOLD = 5;
public static int REORDER_QTY = 25;

public static void reorderBooks(Integer bookID, Integer publi


Ïà¹ØÎĵµ£º

Oracle Listener ·þÎñ²»ÄÜÆô¶¯µÄÁíÒ»·¢ÏÖ

    ×î½üʱ¼ä£¬¸ü»»ÁËÏîÄ¿×飬×î½üͻȻ·¢ÏÖOracle Listener²»ÄÜÆô¶¯¡£ÒÔǰ·¢ÏÖ²»ÄÜÆô¶¯µÄÔ­ÒòÊÇ£¬ÖØ×°ÁËOracleºóûÓÐɾ³ýÒÔǰµÄ×¢²á±í£¬ÒÔÖÁÓÚĬÈÏÆô¶¯·þÎñµÄÃüÁîÎļþÖ¸ÏòµÄÒÀÈ»ÊÇÒÔǰµÄλÖã¬ËùÒÔ²»ÄÜÆô¶¯£¬µ«Õą̂µçÄÔµÄOracleÖ»×°ÁËÒ»´Î¡£
    ×òÌìͻȻ·¢ÏÖ£¬ÔÚlistener.oraÎļþÖеÄHostÅ ......

´«ÖDz¥¿Í——Êý¾Ý¿âÖ®ORACLE£¨Èý£©


Ò» Êý¾Ý¿âµÄÊÂÎñ´¦Àí
¶¨Ò壺ÊÂÎñÊÇÒ»×éÏà¹ØµÄÊý¾Ý¸Ä±äµÄÂß¼­¼¯ºÏ¡£ÔÚÒ»¸öÊÂÎñÖеÄÊý¾Ý¸Ä±ä£¨DML£©±£³Ö×ÅÒ»ÖµÄ״̬£¬Êý¾ÝµÄ¸Ä±äͬʱ³É¹¦»òÕßͬʱʧ°Ü¡£
¶þ Êý¾Ý¿âµÄÊÂÎñÓÉÏÂÁÐÓï¾ä×é³É
Ò»×éDMLÓï¾ä£¬Ð޸ĵÄÊý¾ÝÔÚËûÃÇÖб£³ÖÒ»ÖÂ
Ò»¸ö DDL (Data Define Language) Óï¾ä
Ò»¸ö DCL (Data Control Language)Óï¾ä
1¡¢¿ª ......

oracleÊý×Ö×Ö¶ÎÅжÏ

select nvl2(replace(translate('69584.00.00','.0123456789','000000000000'),'0',''),'·ñ','ÊÇ') IsNumber from dual;
select id,nvl2(replace(translate(id,'.0123456789','000000000000'),'0',''),'·ñ','ÊÇ') IsNumber
from tbl2 ......

oracleÖеĽÇÉ«


oracle
ÖеĽÇÉ«
Ò»¡¢ºÎΪ½ÇÉ«£¿
¡¡¡¡ÎÒÔÚÇ°ÃæµÄƪ·ùÖÐ˵Ã÷ȨÏÞºÍÓû§¡£ÂýÂýµÄÔÚʹÓÃÖÐÄã»á·¢ÏÖÒ»¸öÎÊÌ⣺Èç¹ûÓÐÒ»×éÈË£¬
ËûÃǵÄËùÐèµÄȨÏÞÊÇÒ»ÑùµÄ£¬µ±¶ÔËûÃǵÄȨÏÞ½øÐйÜÀíµÄʱºò»áºÜ²»·½±ã¡£ÒòΪÄãÒª¶ÔÕâ×éÖеÄÿ¸öÓû§µÄȨÏÞ¶¼½øÐйÜÀí¡£
¡¡¡¡ÓÐÒ»¸öºÜºÃµÄ½â¾ö°ì·¨¾Í
ÊÇ£º½ÇÉ«¡£½ÇÉ«ÊÇÒ»×éȨÏ޵ļ¯ºÏ£¬½«½ÇÉ«¸³ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ