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ORACLEûÓÐÏóSQL SERVERÖÐÒ»ÑùµÄ×ÔÔö¼Ó×ֶΣ¬ÒªÊµÏÖÖ»ÄÜͨ¹ýSEQUENCEÀ´ÊµÏÖ
1.´´½¨ÐòÁУº
create sequence your_seq
nocycle
maxvalue 9999999999
start with 1;
2.ʹÓô¥·¢Æ÷ʵÏÖ×ÔÔö£º
create or replace trigger your_seq_tri
before insert on your_table1 for each row
declare
  next_id number;
begin
  select your_seq.nextval into next_id from dual;
  :new.id := next_id;
end;
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ÏȽ¨±í¡¢ÔÙ½¨ÐòÁС¢È»ºóÊÇ´¥·¢Æ÷£¬×îºó²âÊÔ=============================================
--ΪÖ÷¼üÖ¸¶¨ÐòÁбàºÅ
--2003-10-8 15:53
=============================================
conn scott/tiger@powermis
drop table foo;
create table foo(
  id number primary key,
  data varchar2(100));
create sequence foo_seq;
create or replace trigger bifer_foo_id_pk
  before insert
    on foo
    for each row
begin
  select foo_seq.nextval into :new.id from dual;
end;
/
insert into foo(data)
  values('Chirstopher');
insert into foo(id,data)
  values(5,'Sean');
select * from foo;
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create tablespace james
datafile '/export/home/oracle/oradata/james.dbf'
size 100M ¡¡¡¡¡¡¡¡¡¡¡¡--³õʼµÄÎļþ´óС¡¡
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OracleÊý¾Ý¿âÓαêʹÓ÷½·¨
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SQLÊÇÓÃÓÚ·ÃÎÊOracleÊý¾Ý¿âµÄÓïÑÔ£¬PL/SQLÀ©Õ¹ºÍ¼ÓÇ¿ÁËSQLµÄ¹¦ÄÜ£¬ËüͬʱÒýÈëÁ˸üÇ¿µÄ³ÌÐòÂß¼­, ÏÂÃæÔÚ±¾ÎÄÖн«¶ÔÓαêµÄʹÓýøÐÐһϽ²½â,Ï£Íû¿ÉÒԺʹó¼Ò¹²Í¬Ñ§Ï°½ø²½¡£ 
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oracle online documentation

oracle 9i online documentation:
http://www.oracle.com/pls/db92/db92.docindex?remark=homepage
oracle 10g online documentation:
http://www.oracle.com/pls/db102/homepage
oracle 11g online documentation:
http://www.oracle.com/pls/db111/homepage ......

OracleËÀËø

OracleËÀËø
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oracle %type

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DECLARE
v_FirstName VARCHAR2(20);
µ«ÊÇÈç¹ûfirst_nameÁеĶ¨Òå¸Ä±äÁ˻ᷢÉúʲô£¨±ÈÈç˵±í¸Ä±äÁË£¬first ......
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