Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

oracleС¼Í

INSERT INTO hydlsrs@remote_£ú£úh
SELECT * from hydlsrs where zzh='2'
hydlsrsΪ±íÃû¡¡£Àremote_zzhΪ¿âÃû
select * from hydlsrsΪÁí1¿âÖбíÃû£¬
²»Í¬¿âÖÐÏàͬ±í½á¹¹£¬¿ÉÒÔ¿ç¿â²åÈë¡£ÓÃÓÚ
2µØµ¹Èë±íÄÚÈÝ¡£ 


Ïà¹ØÎĵµ£º

Oracle¶àÐмǼºÏ²¢/Á¬½Ó/¾ÛºÏ×Ö·û´®µÄ¼¸ÖÖ·½·¨

ʲôÊǺϲ¢¶àÐÐ×Ö·û´®£¨Á¬½Ó×Ö·û´®£©ÄØ£¬ÀýÈ磺
SQL> desc test;
Name     Type          Nullable Default Comments
------- ------------ -------- ------- --------
COUNTRY VARCHAR2(20) Y       &nb ......

Oracle raw Êý¾ÝÀàÐÍ

    RAW£¬ÀàËÆÓÚCHAR£¬ÉùÃ÷·½Ê½RAW(L)£¬LΪ³¤¶È£¬ÒÔ×Ö½ÚΪµ¥Î»£¬×÷ΪÊý¾Ý¿âÁÐ×î´ó2000£¬×÷Ϊ±äÁ¿×î´ó32767×Ö½Ú¡£
    LONG RAW£¬ÀàËÆÓÚLONG£¬×÷ΪÊý¾Ý¿âÁÐ×î´ó´æ´¢2G×Ö½ÚµÄÊý¾Ý£¬×÷Ϊ±äÁ¿×î´ó32760×Ö½Ú
 
    ²åÈërawÊý¾Ý²Ù×÷:
¡¡¡¡insert into raw_test values (1, ......

ʵÀý¶Ô±ÈOracleÖÐtruncateºÍdeleteµÄÇø±ð

ʵÀý¶Ô±ÈOracleÖÐtruncateºÍdeleteµÄÇø±ð
ɾ³ý±íÖеÄÊý¾ÝµÄ·½·¨ÓÐdelete,truncate,
ËüÃǶ¼ÊÇɾ³ý±íÖеÄÊý¾Ý,¶ø²»ÄÜɾ³ý±í½á¹¹,delete ¿ÉÒÔɾ³ýÕû¸ö±íµÄÊý¾ÝÒ²¿ÉÒÔɾ³ý±íÖÐijһÌõ»òNÌõÂú×ãÌõ¼þµÄÊý¾Ý,¶øtruncateÖ»ÄÜɾ³ýÕû¸ö±íµÄÊý¾Ý,Ò»°ãÎÒÃǰÑdelete ²Ù×÷ÊÕ×÷ɾ³ý±í,¶øtruncate²Ù×÷½Ð×÷½Ø¶Ï±í.
truncate²Ù×÷Óëdelete²Ù× ......

oracle´´½¨ÊÓͼÖÐÉæ¼°µ½ÁíÍâÒ»¸öÓû§µÄ±íȨÏÞ²»×ãÎÊÌâ

    ÔÚoracleÖд洢¹ý³Ì»òÕßÊÓͼµÈ¶ÔÏó´´½¨Ê±£¬Èç¹ûÉæ¼°µ½ÁíÍâÒ»¸öÓû§µÄ±í£¬¼´Ê¹ÄãÒѾ­grant dbaÁË£¬Ò²²»ÐУ¬±ØÐëÏÔʽµØ¸³Óè²éѯȨÏÞ¡£·ñÔò£¬Äã»á·¢ÏÖÔÚpl/sqlÖпÉÒÔÖ´ÐÐÓï¾ä£¬µ«ÊÇÒ»µ©·Åµ½create Öо͸æËßÄãȨÏÞ²»×ã¡£
grant   select   any     table   to   user ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ