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SELECT NAME
,value
,description
from ( --GV$SYSTEM_PARAMETER
SELECT x.inst_id as instance
,x.indx+1
,ksppinm as NAME
,ksppity
,ksppstvl as value
,ksppstdf as isdefault
,decode(bitand(ksppiflg/256,1),1,'TRUE','FALSE') as ISEM
,decode(bitand(ksppiflg/65536,3),
1,'IMMEDIATE',2,'DEFERRED','FALSE') as ISYM
,decode(bitand(ksppstvf,7),1,'MODIFIED','FALSE') as IMOD
,decode(bitand(ksppstvf,2),2,'TRUE','FALSE') as IADJ
,ksppdesc as DESCRIPTION
from x$ksppi x
,x$ksppsv y
WHERE x.indx = y.indx
AND substr(ksppinm,1,1) = '_'
AND x.inst_id = USERENV('Instance')
)
ORDER BY NAME;
http://space.itpub.net/14241337/viewspace-442363
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SELECT
a.ksppinm "Parameter",
b.ksppstvl "Session Value",
c.ksppstvl "Instance Value"
from
x$ksppi a,
x$ksppcv b,
x$ksppsv c
WHERE
a.indx = b.indx
AND
a.indx = c.indx
AND
a.ksppinm LIKE '/_%' escape '/'
/
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oracle ´æ´¢¹ý³ÌµÄ»ù±¾Óï·¨
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CREATE OR REPLACE PROCEDURE ´æ´¢¹ý³ÌÃû×Ö
(
²ÎÊý1 IN NUMBER,
²ÎÊý2 IN NUMBER
) IS
±äÁ¿1 INTEGER :=0;
±äÁ¿2 DATE;
BEGIN
END ´æ´¢¹ý³ÌÃû×Ö
2.SELECT INTO STATEMENT
½«select²éѯµÄ½á¹û´æÈëµ½±äÁ¿ÖУ¬¿ÉÒÔͬʱ½«¶à¸ö ......
Ò»¡¢¼àÌýÆ÷(LISTENER)
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¶þ¡¢±¾µØ·þÎñÃû(Tnsname)
¡¡¡¡Oracle¿Í»§¶ËÓë·þÎñÆ÷¶ËµÄÁ¬½ÓÊÇͨ¹ý¿Í»§¶Ë· ......
--´´½¨Óû§
create user iagent identified by ia
--profile default
default tablespace users
temporary tablespace temp;
--account unlock;
--ɾ³ýÓû§
drop user iagent cascade;
--ÐÞ¸ÄÓû§ÃÜÂë
alter user iagent identified by ia;
--¸ø´´½¨µ ......
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Function Fun_Split_Str(p_Str Varchar2, p_Division Varchar2, p_Seq Int)
Return Varchar2 Is
v_First Int;
v_Last Int;
Begin
If p_Seq < 1 Then
&nbs ......
¡¡1. /*+ALL_ROWS*/
¡¡¡¡±íÃ÷¶ÔÓï¾ä¿éÑ¡Ôñ»ùÓÚ¿ªÏúµÄÓÅ»¯·½·¨,²¢»ñµÃ×î¼ÑÍÌÍÂÁ¿,ʹ×ÊÔ´ÏûºÄ×îС»¯.
¡¡¡¡ÀýÈç:
¡¡¡¡SELECT /*+ALL+_ROWS*/ EMP_NO,EMP_NAM,DAT_IN from BSEMPMS WHERE EMP_NO='SCOTT';
¡¡¡¡2. /*+FIRST_ROWS*/
¡¡¡¡±íÃ÷¶ÔÓï¾ä¿éÑ¡Ôñ»ùÓÚ¿ªÏúµÄÓÅ»¯·½·¨,²¢»ñµÃ×î¼ÑÏìӦʱ¼ä,ʹ×ÊÔ´ÏûºÄ×îС»¯.
¡¡¡¡ÀýÈç ......