oracle ͸Ã÷Íø¹ØÎÊÌâ
ÔÚһ̨win2003Éϰ²×°sqlsever 2000sp4 ºÍgateways10g,Áíһ̨win2003Éϰ²×°ORACLE10G£¬ÏÖÔÚÏëͨ¹ý͸Ã÷Íø¹ØÔÚoracleµÄ»úÆ÷Éϲéѯsqlserver2000Êý¾Ý¿âÖеÄÊý¾Ý¡£µ«ÔÚÓÃÏÂÃæÓï¾ä²éѯµÄʱºò¾ÍûÓÐÈκη´Ó³
select * from t@sql2000;
ÏÂÃæÊÇÅäÖôúÂ룺
inittg4msql.ora
HS_FDS_CONNECT_INFO=SQL2000.MESSQL
HS_FDS_TRACE_LEVEL=OFF
HS_FDS_RECOVERY_ACCOUNT=RECOVER
HS_FDS_RECOVERY_PWD=RECOVER
listener.ora
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = tg4msql)
(ORACLE_HOME = C:\oracle\product\10.2.0\tg_1)
(PROGRAM = tg4msql)
)
)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = sql2000)(PORT = 1521))
)
)
tnsnames.ora
SQL2000 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(PORT=1521)(HOST=10.190.102.88))
(CONNECT_DATA =
(SID=tg4msql)
)
(HS=OK)
)
½¨Á¢database link
create database link sql2000 connect to mes identified by mes using 'sql2000'
ÔõôûÓÐÈ˻ذ¡£¡
Ïà¹ØÎÊ´ð£º
´ó¼ÒºÃ,ÎÒÏÖÔÚ°Ñoracle·þÎñÆ÷ÉÏÃæµÄÔʼÎļþ,ÏÂÔØµ½±¾»úÁË.ÎÒÏëÔÚ±¾»ú·ÃÎÊÊý¾Ý¿âÔõôÉèÖð¡.ÊDz»ÊÇÀàËÆ¿ÉÒÔ½¨Á¢Ò»¸öʲôÐéÄâ·þÎñÆ÷À´ÊµÏÖ.Çë´ó¼Ò³ö³öÖ÷Òâ
ÒýÓÃ
´ó¼ÒºÃ,ÎÒÏÖÔÚ°Ñoracle·þÎñÆ÷ÉÏÃæ ......
ÎÒÓÐÒ»¸ö±í£¬½á¹¹ÊÇÕâÑù¡£
ת³ö µ¥Î» תÈ뵥λ ±ÊÊý ½ð¶î
date(Ö÷) outid(Ö÷) inid(Ö÷) num amt
2009 1 2 1 500 Ϊ 1 µ¥Î» ÔÚ2009Ä ......
ÔÚϵͳÔËÐеÄʱºò×ÜÊÇÓÐÒ»¿é´ÅÅÌʼÖÕÉÁºìµÆ£¬½øÈëϵͳºó
#topas²é¿´×ÜÊÇÓÐÒ»¿é´ÅÅÌ%BUSYΪ90%ÒÔÉÏ£¬
Êý¾Ý¿â°æ±¾£ºoracle 9.2.0.7
Êý¾ÝÎļþ¹ÒÔØµÄ½Úµã£º/oradata/pcs/ Âß¼¾íºÅlv04
#lslv -l lv04
......
ÓÃPL/SQL µÇ½ʱµ¯³ö±¨´í´°¿Ú£¬´íÎóÈçÏ£¡
ORA-01034:ORACLE not available
ORA-27101:shared memory realm does not exist
ÇëÎÊ£¬ÓÐûÓÐÈËÓöµ½ÕâÖÖÇé¿ö£¬Ôõô½â¾ö£¿Ð»Ð»£¡
1. Oracle sid ÕýÈ ......
²é¿´ÊÂÎñ¸ôÀë¼¶±ðµÄÃüÁ
MySQLʹÓõÄÊÇselect @@tx_isolation;
ÔÚOracleÖв鿴ÊÂÎñ¸ôÀë¼¶±ðµÄÃüÁîÊÇÄĸö£¿
SQL code:
SELECT /*+ rule */ s.username,decode(l.type,'TM','TABLE LOCK','TX','ROW LOCK', ......