oracle数据库中,如何快速做一个和原表表结构一样的空表?()A.create table new_tabl...
A.create table new_table as select *from old_table;
B.create table new_table as select *from old_table where 1=1;
C.create table new_table as select *from old_table where 1=2;
D.create table new_table as select *from old_table where rownum<1;