answer1:
ALTER TABLE old_table_name RENAME TO new_table_name;(大写为系统命令)
answer2:
SQL> select tname from tab ;
TNAME
------------------------------
TEST
SQL> rename test to temp ;
Table renamed.
SQL> select tname from tab ;
TNAME
------------------------------
TEMP
rename只能修改自己schema下面的表哦
answer3:
create new_table as select * from old_table;
drop table old_table;
answer4:
ALTER TABLE "DM".学生表1 RENAME TO 学生表;(用户DM上的双引号不能少)
