oracle表字段长度修改

例子：

alter table T_S_TRAN_PARAM modify tran_desc varchar2(25)

create table T_S_TRAN_PARAM

(

  tran_id    VARCHAR2(6) not null,

  channel_id VARCHAR2(3),

  tran_name  VARCHAR2(20),

  tran_desc  VARCHAR2(30)

)

https://www.cnblogs.com/sujulin/p/9021355.html 相关链接