15:13:46 SQL> create table t1(a int);表已创建。已用时间: 00: 00: 00.16
15:13:51 SQL> comment on column t1.a is 'aa';注释已创建。已用时间: 00: 00: 00.31
15:13:51 SQL> comment on column t1.a is 'aa';注释已创建。已用时间: 00: 00: 00.31
调试欢乐多
但是怎么fetch就不太清楚了。
comment on column testb.id is 'bbbb';
seems it is for field