http://blog.csdn.net/zhoufoxcn/article/details/1762351先假设有这么一个表: create table S_Depart ( DepartId INT not null, DepartName NVARCHAR2(40) not null, DepartOrder INT …
first: create counter collection in mongodb:> db.counters.insert({_id:"entityId",seq:0})WriteResult({ "nInserted" : 1 }) then put below in a model.js: var CounterSchema = Schema({ _id: {type: String, required: true}, seq: { type: Nu…
1.创建序列 代码 -- Create sequence create sequence seq_userinfo minvalue 1 start with 1 increment by 1; 2.创建触发器 代码 create or replace trigger tigger_userinfo before insert on userinfo for each row declare begin select SEQ_userinfo.nextval into:New.id from d…
Oracle没有自增字段这样的功能,但是通过触发器(trigger)和序列(sequence)可以实现. 先建一个测试表了: create table userlogin( id number(6) not null, name varchar2(30) not null primary key ) tablespace users / 第一步:创建SEQUENCE create sequence userlogin_seq increment by 1 start with 1 m…
在oracle db 11gR2版本号被启用 Oracle NUMA 支持 参考原始: Enable Oracle NUMA support with Oracle Server Version 11gR2 (文件 ID 864633.1) 申请: Oracle Database - Enterprise Edition - Version 11.2.0.1 and later Oracle Database - Standard Edition - Version 11.2.0.1 and l…
CREATE TABLE ADVICE ( ID INT NOT NULL, ACTIVE NOT NULL, TYPE INT NOT NULL, MSG ) NOT NULL, ADVICE ) NOT NULL, PRIMARY KEY(ID), CONSTRAINT ADVICE_UNI UNIQUE(TYPE,MSG) )TABLESPACE MYDB; --创建自增ID,名称为:表名_字段名_SEQ NOMAXVALUE INCREMENT START NOCACHE; -- 为In…
大家都知道吧,这很坑,尤其是用惯了mysql里的自增字段设置,结果oracle里面没有的.oh,no 我用的是12c版本的,它有一个新特性,可以这样设置自增序列,在创建表是,把id设置为自增序列 create table t ( id number generated by default as identity (start with 1 increment by 1), name varchar2(20), password varchar2(20), Constraint Pk_…
oracle创建job方法 alter system enable restricted session;--创建表create table G_TEST ( ID NUMBER(12), C_DATE DATE ) select * from G_TEST --创建插入数据时增长的ID号create sequence G_SEQ minvalue 1 maxvalue 999999999999999999999999999 start with 141 increment by 1…
CREATE TABLE STUDENT ( ID INT NOT NULL, NAME VARCHAR2(4000) NOT NULL, PRIMARY KEY(ID) ) TABLESPACE MYDB; --创建自增ID,名称为:表名_字段名_SEQ CREATE SEQUENCE sTUDENT_ID_SEQ MINVALUE 1 NOMAXVALUE INCREMENT BY 1 START WITH 1 NOCACHE; -- 为Insert操作创建触发器,无需在SQL语句里写NEX…