Oracle 修改数据库表字段类型

alter table ACT_HI_TASKINST modify (DESCRIPTION_ VARCHAR2(4000));
alter table ACT_HI_TASKINST modify (DELETE_REASON_ VARCHAR2(4000));

参考网址:
https://www.cnblogs.com/langtianya/p/6148491.html

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转载自blog.csdn.net/weixin_38441551/article/details/86316153