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ÔÚms sqlÖÐ ¿ÉÒÔcreate table (id int primary key identity(1,1))ʵÏÖÕâ¸ö×ֶεÄ×ÔÔö£¬insertµÄʱºò£¬¾Í¿ÉÒÔ²»ÓùÜÕâ¸ö×Ö¶ÎÁ˶øÇÒÒ²²»Èø³Öµ£» 

oracleÖÐʵÏÖËÆºõÊÇÓÃcreate sequence¡£¡£¡£¿ÉÊÇÕâ¸ö¶«Î÷createÍêÁË Ôõô֪µÀÊÇÕë¶ÔÄĸö±í£¬Äĸö×ֶεģ¿

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SQL code:
create sequence sq_acc_id
start with 1
increment by 1
nomaxvalue
nocycle;
create table system.account(
acc_id integer primary key,
acc_firstName varchar2(10) not null,
acc_lastName varchar2(10) not null,
acc_emailAddress varchar2(100) not null
);

insert into account(acc_id,acc_firstname,acc_lastname,acc_emailaddress)
values(sq_acc_id.nextval,'san','zhang','aaa@163.com');

select * from account;

create table system.test(
id integer primary key
);

insert into test(id)values(sq_acc_id.nextval);

select * from test;


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  TYPE test_rec IS record(
  code varchar(10),
  name varchar(30)
  );
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