Oracle RAC ³£ÓÃά»¤¹¤¾ßºÍÃüÁî
Oracle µÄ¹ÜÀí¿ÉÒÔͨ¹ýOEM»òÕßÃüÁîÐнӿڡ£ Oracle ClusterwareµÄÃüÁ¿ÉÒÔ·ÖΪÒÔÏÂ4ÖÖ£º
½Úµã²ã£ºosnodes
ÍøÂç²ã£ºoifcfg
¼¯Èº²ã£ºcrsctl, ocrcheck,ocrdump,ocrconfig
Ó¦Óò㣺srvctl,onsctl,crs_stat
ÏÂÃæ·Ö±ðÀ´½éÉÜÕâЩÃüÁî¡£
Ò»£® ½Úµã²ã
Ö»ÓÐÒ»¸öÃüÁ¡¡osnodes£¬ Õâ¸öÃüÁîÓÃÀ´ÏÔʾ¼¯ÈºµãÁÐ±í£¬¿ÉÓõIJÎÊýÈçÏ£¬ÕâЩ²ÎÊý¿ÉÒÔ»ìºÏʹÓá£
[root@raw1 bin]# ./olsnodes --help
Usage: olsnodes [-n] [-p] [-i] [<node> | -l] [-g] [-v]
where
-n print node number with the node name
-p print private interconnect name with the node name
-i print virtual IP name with the node name
<node> print information for the specified node
-l print information for the local node
-g turn on logging
-v run in verbose mode
[root@raw1 bin]# ./olsnodes -n -p -i
raw1 1 raw1-priv raw1-vip
raw2 2 &nbs
Ïà¹ØÎĵµ£º
oracle±í·ÖÇø
oracleÔÊÐíÓû§¶Ô±í½øÐнøÒ»²½¹æ»®£¬¼´¶Ô±í½øÐнøÒ»²½²ð·Ö£¬½«±í·Ö³ÉÈô¸É¸öÂß¼²¿·Ö£¬Ãð¸ö²»·Á³ÆÆäΪ±í·ÖÇø
·¶Î§·ÖÇø£º
¸ù¾Ý±íÖÐÁÐÖµµÄ·¶Î§½øÐзÖÇø
Óï·¨£ºPartition by range(×Ö¶ÎÃû)(
Partition ·ÖÇøÃû values less than (60), --60ÒÔÏÂ
Partition ·ÖÇøÃû values less than (75), --60¡«75
......
SQLServerºÍOracleÊÇ´ó¼Ò¾³£Óõ½µÄÊý¾Ý¿â£¬ÔÚ´Ë×ܽá³öÕâЩ³£Óú¯ÊýÒÔ¹©
´ó¼Ò²Î¿¼¡£
Êýѧº¯Êý
¡¡¡¡1.¾ø¶ÔÖµ
¡¡¡¡S:select abs(-1) value
¡¡¡¡O:select abs(-1) value from dual
¡¡¡¡2.È¡Õû(´ó)
¡¡¡¡S:select ceiling(-1.001) value
¡¡¡¡O:select ceil(-1.001) value from dual
¡¡¡¡3.È¡Õû£¨Ð¡£©
¡¡¡¡S:s ......
D:\oracle\product\10.2.0\db_2\NETWORK\ADMIN
6¡¢ÐÞ¸Äoracle°²×°Â·¾¶ÏÂD:\oracle\product\10.2.0\db_2\NETWORK\ADMIN\tnsnames.oraµÄtnsnames.oraÎļþ£¬Ìí¼Ó
XXX =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.12.42 ......
ǶÌ×±í£º
Óë¿É±äÊý×éÀàËÆ£¬²»Í¬Ö®´¦ÊÇǶÌ×±íûÓÐÊý¾ÝÉÏÏÞ¡£
Óï·¨£º
´´½¨»ùÀàÐÍ
create or replace type ǶÌ×±í»ùÀàÐÍÃû as object(×ֶβÎÊý);
create or replace type mingxitype as object(
goodsid varchar(15),
incount int,
providerid varchar(10)
)not final;
´´½¨Ç¶Ì×±íÀàÐÍ
create or replace type Ç ......
1¡¢Ê²Ã´ÊÇ´æ´¢¹ý³Ì¡£´æ´¢¹ý³ÌÊÇÊý¾Ý¿â·þÎñÆ÷¶ËµÄÒ»¶Î³ÌÐò£¬ËüÓÐÁ½ÖÖÀàÐÍ¡£Ò»ÖÖÀàËÆÓÚSELECT²éѯ£¬ÓÃÓÚ¼ìË÷Êý¾Ý£¬¼ìË÷µ½µÄÊý¾ÝÄܹ»ÒÔÊý¾Ý¼¯µÄÐÎʽ·µ
»Ø¸ø¿Í»§¡£ÁíÒ»ÖÖÀàËÆÓÚINSERT»òDELETE²éѯ£¬Ëü²»·µ»ØÊý¾Ý£¬Ö»ÊÇÖ´ÐÐÒ»¸ö¶¯×÷¡£ÓеķþÎñÆ÷ÔÊÐíͬһ¸ö´æ´¢¹ý³Ì¼È¿ÉÒÔ·µ»ØÊý¾ÝÓÖ¿ÉÒÔÖ´Ðж¯×÷¡£
2¡¢Ê²Ã´Ê±ºòÐèÒªÓô洢¹ý³Ì
......