oracle序列专题

查看当前用户所有序列:

select * from user_sequences; 

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创建序列

create sequence SEQ_TBLCLASSROOM start with 50 increment by 10 MAXvalue 1E27 cache 10; 

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修改序列

alter sequence SEQ_TBLCLASSROOM   maxvalue 200 cache 20 ; 

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删除序列

drop sequence  tigger_TBLCLASSROOM; 

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使用序列?

nextVal:用于返回下一个序列号 Curral:用于返回当前序列号 insert into TBLCLASSROOM(id ,name) values(SEQ_TBLCLASSROOM.Nextval,'gouchao'); 

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