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create  sequence  for_test  --ÐòÁÐÃû   
increment  by  1    --ÿ´ÎÔö¼Ó1
start  with  1    --´Ó1¿ªÊ¼
nomaxvalue    --ûÓÐ×î´óÖµ
nocache        --ûÓлº´æÐòÁÐ

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create table Test
(
id number(10) primary key,
name varchar2(20) not null,
desc  varchar2(200) null
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insert into Test
values(for_test.nextval,'ÐòÁвâÊÔ','ÕâÊÇÒ»¸öÐòÁÐʹÓõÄÀý×Ó')

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select * from test


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