alter table CLUB_HOT_LEADS drop column CHLACTIVITYTYPE1;
ALTER TABLE T1 ADD (A1 VARCHAR(600)); comment on column T1.A1 is '我是A1A1A1';原文链接:https://www.f2er.com/oracle/207348.html
alter table CLUB_HOT_LEADS drop column CHLACTIVITYTYPE1;
ALTER TABLE T1 ADD (A1 VARCHAR(600)); comment on column T1.A1 is '我是A1A1A1';原文链接:https://www.f2er.com/oracle/207348.html