oracle ²é¿´Òþº¬²ÎÊýµÄ½Å²½
½Å±¾1£º
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$ksppsv y
WHERE x.indx = y.indx
AND substr(ksppinm,1,1) = '_'
AND x.inst_id = USERENV('Instance')
)
ORDER BY NAME;
http://space.itpub.net/14241337/viewspace-442363
½Å±¾2£º
SELECT
a.ksppinm "Parameter",
b.ksppstvl "Session Value",
c.ksppstvl "Instance Value"
from
x$ksppi a,
x$ksppcv b,
x$ksppsv c
WHERE
a.indx = b.indx
AND
a.indx = c.indx
AND
a.ksppinm LIKE '/_%' escape '/'
/
Ïà¹ØÎĵµ£º
Oracle
SQL
Loader
µÄÏêϸÓï·¨
Oracle
SQL
Loader
µÄÏêϸÓï·¨
SQL
*LOADER
ÊÇ
ORACLE
µÄÊý¾Ý¼ÓÔØ¹¤¾ß£¬Í¨³£ÓÃÀ´½«²Ù×÷ϵͳÎļþÇ¨ÒÆµ½
ORACLE
Êý¾Ý¿âÖС£
SQL
*LOADER
ÊÇ´óÐÍÊý¾Ý
²Ö¿âÑ¡ÔñʹÓõļÓÔØ·½·¨£¬ÒòΪËüÌṩÁË×î¿ì ......
´æ´¢¹ý³Ì °üº¬Èý²¿·Ö£º ÉùÃ÷£¬Ö´Ðв¿·Ö£¬Òì³£¡£
¿ÉÒÔÓÐÎÞ²ÎÊý³ÌÐòºÍ´ø²ÎÊý´æ´¢¹ý³Ì¡£
Î޲γÌÐòÓï·¨
1 create or replace procedure NoParPro
2 as ;
3 begin
4&n ......
Ê×ÏÈ£¬ÐèÒªÖØÐÂÕûÀíÒ»ÏÂÏà¹Ø¸ÅÄoracleÊý¾Ý¿âÖк¯ÊýµÄ×÷Óã¬ÊÇÖ»Äܱ»±ðÈ˵÷Ó㬴洢¹ý³Ì¿ÉÒÔµ¥¶ÀÖ´ÐУ¬²¢ÇÒ¿ÉÒÔµ÷Óô洢¹ý³Ì£¬¶ø°üµÄ×÷Óðü¿ÉÒÔ½«ÈκγöÏÖÔÚ¿éÉùÃ÷µÄÓï¾ä ( ¹ý³Ì , º¯Êý , Óαê , Óαê , ÀàÐÍ , ±äÁ¿ ) ·ÅÓÚ°üÖÐ , Ï൱ÓÚÒ»¸öÈÝÆ÷ . ½«ÉùÃ÷Óï¾ä·ÅÈë°üÖеĺô¦ÊÇ : Óû§¿ÉÒÔ´ÓÆäË ......
¡¡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 ......