使用db2 sequence
原文http://blog.csdn.net/vicky8081/archive/2005/11/28/538508.aspx
创建sequence,产生id
CREATE SEQUENCE xixi.id_log
AS bigint
START WITH 1
INCREMENT BY 1
NO MAXVALUE
CYCLE
NO CACHE;
具体差数说明见ibm说明(http://publib.boulder.ibm.com/infocenter/db2help/topic /com.ibm.db2.udb.doc/admin/r0004201.htm?resultof=%22%73%65%71%75%65%6e %63%65%22%20)
--查询之前的id
VALUES PREVVAL FOR xixi.id_log;
--产生id
VALUES NEXTVAL FOR xixi.id_log;
--插入记录
insert into xixi.id_log(id) values
( NEXTVAL FOR xixi.id_log)
--删除sequence
DROP SEQUENCE userid.ID_PDALOG restrict
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