--修改原字段名policyrebatepremium为policyrebatepremium_TMP alter table fht_policy_reconciliation rename column policyRebatePremium to policyRebatePremium_TMP; --增加一个和原字段名同名的字段policyRebatePremium alter table fht_policy_reconciliation add policyRebatePremium NUMBER(19,2); --将原字段policyRebatePremium_TMP数据更新到增加的字段policyRebatePremium update fht_policy_reconciliation set policyRebatePremium=trim(policyRebatePremium_TMP); --更新完,删除原字段policyRebatePremium_TMP alter table fht_policy_reconciliation drop column policyRebatePremium_TMP;
原文有bug、直接参考我这个就可以了