SQL> alter table test.TEST_HISTORY rename to test.TEST_HISTORYbak;
*
ERROR at line 1:
ORA-14047: ALTER TABLE|INDEX RENAME may not be combined with other operations
查询文档，这种需要目标表不指定SCHEMA的方式才可以，即支持如下两种语法：
SQL> alter table bys.t3 rename to t3bak; ===>>>直接在DBA账户下不加修改后表的SCHEMA名
Table altered.
SQL> conn bys/bys
Connected.
SQL> alter table t3bak rename to t3; ===>>>直接在相应用户下不加SCHEMA名字
Table altered.
===
查询mos，得到如下文章：ORA-14047: ALTER TABLE | INDEX RENAME May Not Be Combined With Other Operations (文档 ID 400398.1)
在该文章中，说明了报错的原因：
The combination of actions appear to be:
1.the actual table rename
2.specifiying the schema name of the target