给字段加注释

comment on column testtb17.AGE is '年龄';
comment on column testtb17.CREATEDTIME is '创建时间';
comment on column testtb17.ID is '唯一标识';
comment on column testtb17.NAME is '名字';

 

给表加注释
comment on table testtb17 is 'SEVENTEEN';