修改字段名:(9i有效)
alter table table_name rename column old_colname to new_colname;底版本的可以
alter table table_name add col_name_old col_type;
update table_name set col_name_new =col_name_old;
alter table table_name drop column col_name_old;
alter table table_name rename column old_colname to new_colname;底版本的可以
alter table table_name add col_name_old col_type;
update table_name set col_name_new =col_name_old;
alter table table_name drop column col_name_old;
解决方案 »
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