简单 SQL 命令未正确结束

Simple SQL command not properly ended

我有以下查询:

SELECT * 
FROM DELUSR.AGREEMENT AS agreement 
WHERE agreement.MASTER_AGGREMENT_ID = 4;

尝试 运行 之后,我收到此错误:

Error code 933, SQL state 42000:
ORA-00933: SQL command not properly ended Line 1, column 1
Execution finished after 0 s, 1 error(s) occurred.

我不确定如何解码此错误消息。该声明对我来说很好。有什么问题吗?

Oracle 不接受 table 别名的 AS:

SELECT * FROM DELUSR.AGREEMENT agreement WHERE agreement.MASTER_AGGREMENT_ID = 4;