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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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select dm_id, father_id, dm_name from gy_dmcode t
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select a.blocks,a.bytes,a.bytes/1024/1024 from user_segments a
where a.segment_name='B_M_DZYH_CUST_SIGN_FACT';
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create table TEST_1228 as select * from user_tables;
insert into TEST_1228 select * from TEST_1228 ;
insert into TEST_1228 select * from TEST_1228 ;
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