[英]Oracle SQL Developer: PL/SQL: ORA-00903: invalid table name
I am getting this error:我收到此错误:
Error starting at line 2 in command:
BEGIN
DELETE * FROM book_copies;
DELETE * FROM books;
/* more code here */
END;
Error report:
ORA-06550: line 2, column 10:
PL/SQL: ORA-00903: invalid table name
ORA-06550: line 2, column 3:
PL/SQL: SQL Statement ignored
ORA-06550: line 3, column 10:
PL/SQL: ORA-00903: invalid table name
ORA-06550: line 3, column 3:
PL/SQL: SQL Statement ignored
06550. 00000 - "line %s, column %s:\n%s"
*Cause: Usually a PL/SQL compilation error.
*Action:
Which is ridiculous as both tables exist in my database.这很荒谬,因为这两个表都存在于我的数据库中。 I can do:
我可以:
SELECT * FROM books;
Or:或者:
SELECT * FROM book_copies;
And both of them work.他们都工作。
Why does Oracle SQL Developer says "invalid table name"?为什么 Oracle SQL 开发人员说“无效的表名”?
In a DELETE
statement, at least in Oracle, you don't list columns, and FROM
is optional.在
DELETE
语句中,至少在 Oracle 中,您不列出列,并且FROM
是可选的。 So when you DELETE *...
, it is trying to parse the asterisk as the table name.因此,当您
DELETE *...
时,它会尝试将星号解析为表名。 Note that if you count the columns, column 10 is the asterisk, which is where the invalid table name is being reported.请注意,如果计算列,第 10 列是星号,这是报告无效表名的位置。
Write DELETE FROM book_copies
or DELETE book_copies
.写
DELETE FROM book_copies
或DELETE book_copies
。
But you should但是你应该
DELETE FROM book_copies;
(no * borrowed from Access) (没有 * 从 Access 借来的)
Getting error for获取错误
drop and alter丢弃和改变
same error: invalid table name同样的错误:无效的表名
but table is there, please tell the solution.但是桌子在那里,请告诉解决方案。
Query:询问:
ALTER TABLE [EXCLUDE_BC]
DROP COLUMN [STATUS_BY_SITE] VARCHAR2(60 BYTE), [ALT_STATUS_BY_SITE] VARCHAR2(60 BYTE), [STATUS_BY_CONSOLIDATED] VARCHAR2(60 BYTE),[ALT_STATUS_BY_CONSOLIDATED] VARCHAR2(60 BYTE);
ALTER TABLE [EXCLUDE_BC]
ADD [STATUS_BY_SITE] VARCHAR2(60 BYTE), [ALT_STATUS_BY_SITE] VARCHAR2(60 BYTE), [STATUS_BY_CONSOLIDATED] VARCHAR2(60 BYTE),[ALT_STATUS_BY_CONSOLIDATED] VARCHAR2(60 BYTE);
thanks.谢谢。 regards.
问候。 Shweta
什维塔
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