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

oracle´¥·¢Æ÷£¡°ï°ï棡 - Oracle / ¿ª·¢

ÐèҪдһ¸ö´¥·¢Æ÷£¬ÔÚ¸üÐÂÒ»¸öÌõÊý¾ÝµÄʱºò£¬Òª°ÑÕâÌõÔ­Êý¾Ý£¬´æÈëÁíÒ»¸ö±í£¡

ÒªÔõôд°¡£¿

ÎÒ¶Ô´¥·¢Æ÷²»ÊǺÜÊìϤ£¡Çë¸ßÊÖ°ï°ï棡ллÁË£¡
create or replace trigger tri_name
before inser on table_a
for each row
insert into table_b(:new.col1,..,:new.coln);
end;

insert »¹Ò»¸öbegin

ÄãÌ«ÀÁÁË

ÒýÓÃ
create or replace trigger tri_name
before inser on table_a
for each row
insert into table_b(:new.col1,..,:new.coln);
end;

insertÐÞ¸ÄΪupdate
:newÐÞ¸ÄΪ:old

SQL code:
CREATE TRIGGER [TRIGGER_UPDATE_TableA]
BEFORE INSERT ON [TableA]
FOR EACH ROW
INSERT INTO[TableB]();
END



лл¥ÉÏÐÞÕý ÖÐÎçû˯¾õ ÔÎÔ뵀 ºÇºÇ

create or replace trigger trigger_update_name
before update on table_name
for each row
begin
insert into old_data_talbe values(:old.column_name,..);
end;

ÒªÏȽ¨¸ö·ÅÔ­Êý¾ÝµÄ±í¹þ¡£

ÒýÓÃ
create or replace trigger trigger_update_name
before update on table_name
for each row
begin
insert into old_data_talbe values(:old.column_name,..);
end;

ÒªÏȽ¨¸ö·ÅÔ­Êý¾ÝµÄ±í¹þ¡£


·ÅÔ´Êý¾ÝµÄ±í£¿ÁíÍ⽨һ¸ö±íÂð£¿

ÒýÓÃ
ÒýÓà 7 Â¥ yo


Ïà¹ØÎÊ´ð£º

Oracle Êý¾Ýµ¼³öÎÊÌâ - Oracle / ¸ß¼¶¼¼Êõ

exp user/password@dbname file=c:\table.dmp tables=jbitaku,jbitakum grants=y
È»áá°´»Ø車鍵 說Ã÷:¡¡ user/password@dbname ¡¡·Ö別±íʾÓÃ戶Ãû£¬ÃÜ碼ºÍ·þ務Ãû f ......

OracleµÄblob×Ö¶ÎÎÊÌâ - Oracle / ¿ª·¢

²éÁËÒ»ÌìµÄblob£¬»¹ÊÇûÀí½âµ½£¬ÎÒÏëÔÚVCÏ´æÈ¡¶þ½øÖƵÄÎļþ£¬Ê¹ÓõÄÊÇoo4o£¬ÕÕ×ŰïÖúÎĵµÉÏÃæµÄдÁËдÈëÊý¾Ý¿âµÄ´úÂ룬»¹ÊÇûд¶Ô£¬´íÎóÌáʾÊÇthis operation is not permitted on a empty LOB£¬ÕâÊÇʲôÒâ˼°¡£¿ÕÕ ......

server 2000Êý¾Ý×ªÒÆµ½oracle - Oracle / »ù´¡ºÍ¹ÜÀí

ÎÒÓÐÒ»¸öserver 2000ÀïµÄÊý¾Ý,ÏÖÔÚÏëתµ½oracleÊý¾Ý¿âÉÏÓÃ,²»ÖªµÀÓÐûÓиßÊÖÓмòµ¥ÓÖ¿ì½ÝµÄ·½·¨,ǰÌáÊDz»ÄܸÄÔ­À´oracleÀïµÄÔ­ÓеÄÊý¾Ý¿â,Ö»ÄÜн¨

ÒýÓÃ
°²×°£Ï£Ò£Á£Ã£Ì£ÅµÄ£Ï£Ä£Â£Ã£¬È»ºóÓãӣѣ̡¡£Ó£Å£Ò£Ö£Å£ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ