2008/10/30
2008/10/29
mysql 一個特別的 delete command
delete tbl_item_fetch_img a
from tbl_item_fetch_img a,tbl_item b
where a.hid = b.hid and b.company = ‘CTC’
Comments Off
2008/10/28
Oracle table lock
http://download.oracle.com/docs/cd/B10501_01/server.920/a96524/c21cnsis.htm
http://www.twbbs.net.tw/1301826.html
Comments Off
Related URL:
- Protected: oracle 的一些 SOP command
- Maximum Availability Architecture – Oracle Streams Configuration Best Practices
- [設定/memo] PL/SQL Developer , plsql 免設 tnsname 檔的方法
- Protected: [memo] Streams process
- Protected: oracle standby SOP
- 使用 mysql partition table sample
- Protected: install oracle 11g steps
- Protected: oracle trigger question
- oracle : dbca initialization parameters 畫面 , character set 字元集 設定畫面 / plsql 免設 tnsname.ora tips
- 裝好 oracle 後 啟用 Enterprise Manager 後的 license 訊息畫面
2008/10/21
Oracle trigger sample
CREATE OR REPLACE TRIGGER SET_items_LSUPDATE
AFTER INSERT OR UPDATE
ON items_FILE REFERENCING NEW AS New OLD AS Old
FOR EACH ROW
DECLARE
OLDG_NO NUMBER(14);
BEGIN
SELECT COUNT(*) INTO OLDG_NO FROM BIDLEADER.items_LASTUPDATE WHERE G_NO=:Old.G_NO;
IF OLDG_NO >= 1 THEN
UPDATE BIDLEADER.items_LASTUPDATE SET G_LASTUPDATE=SYSDATE WHERE G_NO=:Old.G_NO;
ELSIF OLDG_NO=0 THEN
INSERT INTO BIDLEADER.items_LASTUPDATE VALUES (:New.G_NO, SYSDATE);
END IF;
END SET_items_LSUPDATE;
Comments Off
2008/10/20
2008/10/19
2008/10/17
敦化南路上的台灣欒樹
Comments Off
2008/10/16
linux / putty ssh tunnel setting
在 HOST A 下
# # ssh -D 8000 -C -N -f user@remote.monster.tw #
-D bind 一個 “dynamic” 的port ,
-C 壓縮 ,
-N 不執行任何 command ,
-f 背景執行,
在 HOST A 下 netstat -an | grep LIST 可以看到
tcp 0 0 127.0.0.1:8000 0.0.0.0:* LISTEN
若本機為 linux , dynanic 的連法:
ssh -NfD 8000 -p 2200 rimmon@safe.server.tw
– 在本機建立一個 port 8000 的 listen 透過 ssh 連到 safe.server.tw 的 ssh port 2200 去.
Comments Off
