Question

我在尝试运行这个简单的UPDATE语句时遇到了令人困惑的＆＃34; ORA97100缺少SET关键字＆＃34; 错误，尽管＆＃34; set＆＃34;关键字在那里：

UPDATE CURRENT_LOAD as ac
SET ac.LOAD_START_TIMESTAMP = CURRENT_TIMESTAMP
WHERE ac.LOAD_START_TIMESTAMP IS NULL;

我也试过了，它给了＆＃34; 无效的标识符ORA-00904 AC.LOAD_START_TIMESTAMP＆＃34;

UPDATE CURRENT_LOAD ac
SET ac.load_start_timestamp = CURRENT_TIMESTAMP
WHERE ac.load_start_timestamp IS NULL;

我进一步尝试了，它再次给出＆＃34;无效的标识符ORA-00904 CURRENT_LOAD.LOAD_START_TIMESTAMP＆＃34;

UPDATE CURRENT_LOAD 
SET CURRENT_LOAD.load_start_timestamp = CURRENT_TIMESTAMP
WHERE CURRENT_LOAD.load_start_timestamp IS NULL;

这很奇怪，因为属性＆＃34; LOAD_START_TIMESTAMP＆＃34;实际上是在我的表中定义的，参见＆＃34; CURRENT_LOAD＆＃34;表DDL如下：

 CREATE TABLE "CURRENT_LOAD"
   (
  "LOAD_START_TIMESTAMP" TIMESTAMP with TIME ZONE, 
    "CONTRACT_NO" VARCHAR2(100 BYTE), 
    "PROJECT_DEFINITION" VARCHAR2(100 BYTE), 
    "MASTER_CONTRACT_NO" VARCHAR2(100 BYTE), 
    "Sac_CONTRACT_NO" VARCHAR2(100 BYTE)
);

任何深思熟虑的建议都将受到赞赏。

由于

Answer 1

尝试运行UPDATE语句而不使用表别名ac，如

UPDATE CURRENT_LOAD
SET LOAD_START_TIMESTAMP = CURRENT_TIMESTAMP
WHERE LOAD_START_TIMESTAMP IS NULL;

此外，问题出在表别名之前的AS。您的UPDATE声明应该是

UPDATE CURRENT_LOAD ac
SET ac.LOAD_START_TIMESTAMP = CURRENT_TIMESTAMP
WHERE ac.LOAD_START_TIMESTAMP IS NULL;

有关详细信息，请参阅Oracle documentation。

Oracle Update Query缺少SET关键字 - ORA97100＆amp; ORA-00904

1 个答案: