更改Oracle数据库字段精度

create table MyTable_bak as select * from MyTable;
delete from MyTable;
alter table MyTable modify Price NUMBER(24,4);
insert into MyTable select * from MyTable_bak;
drop table MyTable_bak;
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作者：HcFelix 
来源：CSDN 
原文：https://blog.csdn.net/hcfelix/article/details/82865053 
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