mysqlÖвåÈëÒ»Ìõ¼Ç¼·µ»Ø¸Ã¼Ç¼id
1.select max(id) from user;
2.select last_insert_id() as id from user limit 1;
(Õâ¸ö²âÊԵķµ»ØidÒ»Ö±ÊÇ0£¬ÓеãÎÊÌâ)
3.´¢´æ¹ý³Ì
1£©
oracelÖÐ
create sequence seqID
minvalue 1
maxvalue 999999999999999999999999999
start with 1
increment by 1
nocache
order;
create or replace procedure sp_insert(aName int,rst out int) is
begin
insert into tablename(id,name) values(seqID.nextval,aName);
rst:=seqID.currval;
end;
2£©mysqlÖÐʵÏÖ
DELIMITER $$
DROP PROCEDURE IF EXISTS `test` $$
CREATE DEFINER=`root`@`localhost` PROCEDURE `test`(in name varchar(100),out oid int)
BEGIN
insert into user(loginname) values(name);
select max(id) from user into oid;
select oid;
END $$
DELIMITER ;
È»ºóÖ´ÐÐ
call test('gg',@id);
¾Í·µ»Øid
Ïà¹ØÎĵµ£º
ÔÚJavaEye¿´µ½ÒÔϵÄÄÚÈÝ£¬Á´½ÓµØÖ·£ºhttp://www.javaeye.com/news/13062-mysql£¬Ï£Íûϲ°®MySqlµÄÅóÓÑÃÇÒ»ÆðÖ§³Ö¡£
ÇëÔ¸Ê鵨ַ£ºhttp://helpmysql.org/cn/petition
Ç×°®µÄÕü¾ÈMySQLµÄÖйúÇ©ÃûÖ§³ÖÕß:
Å·ÃË¿ÉÄÜÎÞ·¨Õü¾ÈMySQL, ÖйúºÍ¶íÂÞ˹¿ÉÄÜÊÇÕü¾ÈMySQLµÄÏ£ÍûÖ®ËùÔÚ¡£ÖйúÓµÓÐÇ¿´ó¡¢¶ÀÁ¢ÒÔ¼°×ÔÐŵ ......
To support MySQL Cluster, you will need to update
my.cnf
as shown in the following example.
You may also specify these parameters on the command line when
invoking the executables.
Note
The options shown here should not be confused with thos ......
====================================================
Òý×Ô£ºhttp://blog.sina.com.cn/s/blog_538a9d1901008f9g.html
ʲôÊÇC2¼¶°²È«ÐÔ£¿°²È«ÐԵķÖÀàÊÇÔõÑùµÄ£¿(2008-01-30 17:04:39)
DÀࣺ×îµÍ±£»¤£¬±£Áô¸ø²»ÄÜͨ¹ý¸ü¸ß¼¶±ð¼ì²éµÄϵͳ
C1£º½÷É÷±£»¤£¬ÒªÇóÓлùÓÚÓû§¼¶±ðµÄ¿ØÖÆÀ´±£»¤Êý¾Ý£¬Ö÷Òª·ÀÖ ......
·µ»ØÀ´×ÔÓÚ²ÎÊýÁ¬½áµÄ×Ö·û´®¡£Èç¹ûÈκβÎÊýÊÇNULL£¬·µ»ØNULL¡£¿ÉÒÔÓг¬¹ý2¸öµÄ²ÎÊý¡£Ò»¸öÊý×Ö²ÎÊý±»±ä»»ÎªµÈ¼ÛµÄ×Ö·û´®ÐÎʽ¡£
mysql> select CONCAT('My', 'S', 'QL');
-> 'MySQL'
mysql> select CONCAT('My', NULL, 'QL');
-> NULL
mysql> select CONCAT(14.3);
-> '14.3'
È磺update test set ......
public class select {
public List XiuGai_select(String keyword){
List list=new ArrayList();
Connection conn = null;
Statement stmt = null;
String sql=null;
ResultSet res = null;
get ......