要这样操作，不要带目标表的schema
SYS@orcl> alter table test rename to test_bak;
Table altered.
原因
The operation is regarded as a combined operation as indicated by the full error message description:
$ oerr ora 14047
14047, 00000, "ALTER TABLE|INDEX RENAME may not be combined with other operations"
// Cause: ALTER TABLE or ALTER INDEX statement attempted to combine
// a RENAME operation with some other operation which is illegal
// Action: Ensure that RENAME operation is the sole operation specified in
// ALTER TABLE or ALTER INDEX statement;
The combination of actions appear to be:
the actual table rename
specifiying the schema name of the target
文档号
ORA-14047: ALTER TABLE | INDEX RENAME May Not Be Combined With Other Operations (文档 ID 400398.1)
原文：https://blog.51cto.com/roidba/2354522