id生成规则 oracle共找到1507条结果

年薪20万以下也就算是初中级Java工程师,真正的高级Java架构师年薪是多少?如何小白变大神,分享学习路线图……(2018-12-05 14:35:32)

 select (select to_char(sysdate,'yyyyMMddHH24miss') from dual)||lpad(用户.sequence名.nextval,10,'0') as id from dual ...(2013-09-13 13:35:50)

[code="java"] @SequenceGenerator(name="SEQ_C_ALBUM",sequenceName="SEQ_C_ALBUM",allocationSize=1) @GeneratedValue ...(2010-01-09 15:57:33)

insert into mydata.user(id,username) values ( to_char(sysdate,'yyyymmddHH24mmss') || lpad(mydata.seq_user.nextval,12,'0') , '测试用户')   ...(2013-10-29 13:51:59)

[code="xml"] INPUT_USER_INFO_SEQ ...(2008-03-05 14:22:31)

转自:http://hi.baidu.com/ydfvidlhhonuvyr/item/9dbdbce654053a13585dd882 根据hibernate的文档,有两种方式实现实体对象的主键自动增长。 第一种:设置ID的增长策略是sequence,同时指定sequence的名字,最好每个 ...(2013-04-22 13:48:35)

在数据库中执行 select sys_guid() from dual; ...(2014-04-04 00:06:11)

00sys_guid()生成32位id :例如酱紫 DFF8F2B4CEFE4FADBC4A776E5A3698DD select sys_guid() from dual;select '4028815f56d5a'||lower(substr(sys_guid(),0,19)) s_bh,q ...(2017-11-01 13:52:10)

<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mappi ...(2011-10-16 13:59:20)

SQL> startup ORA-27125: unable to create shared memory segment Linux-x86_64 Error: 1: Operation not permitted [oracle@yans1 ~]$ id oracle ...(2013-11-21 13:14:00)

通过for update给ID表加一把锁,保证数据的一致性public static Long genSeqId() { Long newId = 0L; String sql = "select seq_value from seq_table where seq_name = 't ...(2018-01-02 14:59:04)