Oracle²ð·Ö×Ö·û´®º¯Êý
--¶¨ÒåÀàÐÍ
CREATE OR REPLACE TYPE ty_str_split IS TABLE OF VARCHAR2(4000);
--´´½¨º¯Êý
CREATE OR REPLACE FUNCTION f_stringsplit (p_str IN VARCHAR2, p_delimiter IN VARCHAR2)
RETURN ty_str_split PIPELINED
/*****
****×Ö·û´®²ð·Ö,Ï൱ÓÚjava.lang.StringÀàµÄsplit·½·¨
****×¢Òâ:ÐÂÔötypes:CREATE OR REPLACE TYPE ty_str_split IS TABLE OF VARCHAR2 (100);
****´´½¨Õߣº
****ʱ¼ä£º
****ÕªÈ¡ÍøÂç×ÊÔ´
***/
IS
j INT := 0;
i INT := 1;
len INT := 0;
len1 INT := 0;
str VARCHAR2 (100);
BEGIN
len := LENGTH (p_str);
len1 := LENGTH (p_delimiter);
WHILE j < len
LOOP
j := INSTR (p_str, p_delimiter, i);
IF j = 0
THEN
j := len;
str := SUBSTR (p_str, i);
PIPE ROW (str);
IF i >= len
THEN
EXIT;
END IF;
ELSE
str := SUBSTR (p_str, i, j - i);
i := j + len1;
PIPE ROW (str);
END IF;
END LOOP;
RETURN;
END f_stringsplit;
--µ÷ÓÃ
select¡¡*¡¡from¡¡t
Ïà¹ØÎĵµ£º
¡¡ ¹ØÓÚOracleµÄÐÔÄܵ÷Õû£¬Ò»°ã°üÀ¨Á½¸ö·½Ã棬һÊÇÖ¸OracleÊý¾Ý¿â±¾ÉíµÄµ÷Õû£¬±ÈÈçSGA¡¢PGAµÄÓÅ»¯ÉèÖ㬶þÊÇÁ¬½ÓOracleµÄÓ¦ÓóÌÐòÒÔ¼°SQLÓï¾äµÄÓÅ»¯¡£×öºÃÕâÁ½¸ö·½ÃæµÄÓÅ»¯£¬¾Í¿ÉÒÔʹһÌ×ÍêÕûµÄOracleÓ¦ÓÃϵͳ´¦ÓÚÁ¼ºÃµÄÔËÐÐ״̬¡£
¡¡¡¡ ±¾ÎÄÖ÷ÒªÊǰÑһЩOracle TuningµÄÎÄÕÂ×÷ÁËÒ»¸ö¼òµ¥µÄ×ܽᣬ ......
ÔÚWeb¿ª·¢ÖУ¬´ÓÒ³Ãæ×¢ÈëµÄʱ¼äÒ»°ãΪStringÀàÐÍ£¬ÔõôȥºÍOracleÖеÄʱ¼ä½øÐбȽÏ
·½·¨£º
String Time£»
.......// Ò»¶Î´úÂë
¼ÙÉèTimeÎªÒ³Ãæ×¢ÈëStringÀàÐÍÊý¾Ý£¬Îª"2010-10-10 12:02:01"¡£
ÔÚдSQLÓ ......
ÈçºÎ¼ÓËÙ
Oracle
´óÅúÁ¿Êý¾Ý´¦Àí
Ò»¡¢
Ìá¸ß
DML
²Ù×÷µÄ°ì·¨£º
¼òµ¥ËµÀ´£º
£±¡¢ÔÝÍ£Ë÷Òý£¬¸üкó»Ö¸´.
±ÜÃâÔÚ¸üеĹý³ÌÖÐÉæ¼°µ½Ë÷ÒýµÄÖØ½¨.
£²¡¢ÅúÁ¿¸üУ¬Ã¿¸üÐÂһЩ¼Ç¼ºó¼°Ê±½øÐÐÌá½»¶¯×÷.
±ÜÃâ´óÁ¿Õ¼Óûعö¶ÎºÍ»òÁÙʱ±í¿Õ¼ä.
£³¡¢´´½¨Ò»ÁÙʱ ......
#!/bin/ksh
#****************************************************************************
#
# (C) Copyright CPIC. 2008
#
# File name: check_db_alert.sh
# Project: Database Alerts Check
#
# Parameter : app_name -- name of db application(=ora ......
Oracle to_dateµÄʹÓ÷½·¨
ÈÕÆÚ¸ñʽ²ÎÊý º¬Òå˵Ã÷
D Ò»ÖÜÖеÄÐÇÆÚ¼¸
DAY ÌìµÄÃû×Ö£¬Ê¹ÓÿոñÌî³äµ½9¸ö×Ö·û
DD ÔÂÖеĵڼ¸Ìì
DDD ÄêÖеĵڼ¸Ìì
DY ÌìµÄ¼òдÃû
IW ISO±ê×¼µÄÄêÖеĵڼ¸ÖÜ
IYYY ISO±ê×¼µÄËÄλÄê·Ý
YYYY ËÄλÄê·Ý
YYY,YY,Y Äê·ÝµÄ×îºóÈý룬Á½Î»£¬Ò»Î»
HH Сʱ£¬°´12Сʱ¼Æ
......