DELETE FROM CUSTOMER WHERE CustomerID = 4 CASCADE * ERROR at line 1: ORA-00933: SQL command not properly ended 怎么解决
时间: 2023-12-18 16:05:58 浏览: 156
这个错误可能是因为在Oracle中不支持使用`CASCADE`关键字来进行级联删除。您可以尝试使用以下语句来删除指定ID的记录:
```
DELETE FROM CUSTOMER WHERE CustomerID = 4;
```
如果该记录存在外键关联,您需要手动删除关联的记录,然后再执行上述操作。
相关问题
SQL> DELETE FROM CUSTOMER WHERE CustomerID = 4; DELETE FROM CUSTOMER WHERE CustomerID = 4 * ERROR at line 1: ORA-02292: integrity constraint (SYSTEM.SYS_C008347) violated - child record found怎么解决
这个错误是因为有其他表中的记录引用了 CUSTOMER 表中 CustomerID 为 4 的记录,因此无法删除。你可以先删除引用 CUSTOMER 表的其他表中的记录,然后再执行删除操作,或者使用 CASCADE 删除选项来同时删除相关的子表记录。
例如,如果有一个 ORDER 表与 CUSTOMER 表关联,你可以先删除 ORDER 表中所有 CustomerID 为 4 的记录,然后再删除 CUSTOMER 表中 CustomerID 为 4 的记录。这里的 SQL 语句示例:
```
DELETE FROM ORDER WHERE CustomerID = 4;
DELETE FROM CUSTOMER WHERE CustomerID = 4;
```
另外,如果你不需要保留与 CustomerID 为 4 的记录相关的子表记录,你可以使用 CASCADE 删除选项,这将同时删除 CUSTOMER 表和所有引用该表的子表中 CustomerID 为 4 的记录。这里的 SQL 语句示例:
```
DELETE FROM CUSTOMER WHERE CustomerID = 4 CASCADE;
```
BEGIN FOR i IN 1..10 LOOP INSERT INTO CUSTOMER (CustomerID, Name, Address, PhoneNumber, Email, LoyaltyStatus) VALUES (i, 'Customer ' || i, 'Address ' || i, '123456789', 'customer' || I || '@example.com', 'Bronze'); END LOOP; COMMIT; END; 然后报错 FOR i IN 1..10 LOOP * ERROR at line 2: ORA-06550: line 2, column 5: PLS-00103: Encountered the symbol "FOR" when expecting one of the following: := . ( @ % ; The symbol "(" was substituted for "FOR" to continue. ORA-06550: line 2, column 20: PLS-00103: Encountered the symbol "LOOP" when expecting one of the following: , * & - + / at mod remainder rem when while => <an exponent (**)> by index sequence || multiset
这段代码是 PL/SQL 代码块,它需要被包含在一个有效的 PL/SQL 块中。你可以把它包装在一个匿名块中,像这样:
```
BEGIN
FOR i IN 1..10 LOOP
INSERT INTO CUSTOMER (CustomerID, Name, Address, PhoneNumber, Email, LoyaltyStatus)
VALUES (i, 'Customer ' || i, 'Address ' || i, '123456789', 'customer' || I || '@example.com', 'Bronze');
END LOOP;
COMMIT;
END;
```
这个块会循环 10 次,在 CUSTOMER 表中插入 10 行记录。如果你仍然遇到错误,请检查你的语法是否正确。
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