删除一列时:
alter table TableName drop [column] 列名;
删除多列时:
alter table TableName drop column
列名1, drop column
列名2;
例如:
ALTER table bo_eu_product_permission
drop COLUMN ORGID
,
drop COLUMN BINDID
,
drop COLUMN CREATEDATE
,
drop COLUMN CREATEUSER
,
drop COLUMN UPDATEDATE
,
drop COLUMN UPDATEUSER
,
drop COLUMN PROCESSDEFID
,
drop COLUMN ISEND
;