欢迎投稿

今日深度:

oracle序列重置

oracle序列重置


问题一:如何重置oracle序列
oracle序列创建以后,如果想重置序列从 0 开始,逐渐递增1,可以采用如下存储过程:

create or replace
procedure reset_seq( p_seq_name in varchar2 )
is
    l_val number;
begin
    execute immediate
    'select ' || p_seq_name || '.nextval from dual' INTO l_val;

    execute immediate
    'alter sequence ' || p_seq_name || ' increment by -' || l_val || 
                                                          ' minvalue 0';

    execute immediate
    'select ' || p_seq_name || '.nextval from dual' INTO l_val;

    execute immediate
    'alter sequence ' || p_seq_name || ' increment by 1 minvalue 0';
end;
/

执行传入序列名称即可:
execute reset_seq(‘test_seq’);
即可

参考: click here

www.htsjk.Com true http://www.htsjk.com/oracle/23495.html NewsArticle oracle序列重置 问题一:如何重置oracle序列 oracle序列创建以后,如果想重置序列从 0 开始,逐渐递增1,可以采用如下存储过程: create or replaceprocedure reset_seq( p_seq_name in varchar2 )is l_val...
评论暂时关闭