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我在Oracle中有一個View。這就是所謂的: 發票爲什麼Oracle View在使用select *時顯示不同的輸出
當我直接調用查看它讓我看到我的數據是這樣的: SELECT * FROM發票
> +-------+------------+------------+
> | Name | InvoiceNo | Street |
> +-------+------------+------------+
> | 1111 | Peter | Pencilroad |
> | 2222 | Clint | Duffstreet |
> +-------+------------+------------+
當我使用select語句從視圖它顯示我不同的輸出: 選擇epname如姓名,epno爲invoiceno,EPST從EP街道
> +-------+-----------+------------+
> | Name | InvoiceNo | Street |
> +-------+-----------+------------+
> | Peter | 1111 | Pencilroad |
> | Clint | 2222 | Duffstreet |
> +-------+-----------+------------+
這怎麼可能? 我再次編譯視圖,它顯示我仍然是不同的數據。我也檢查瞭如果視圖無效,但它不是。
任何線索?我在Oracle 11g數據庫上使用SQLDeveloper。 還有一種方法,可以查看過去對視圖所做的更改,或者使用用戶名和時間戳查看更改日誌嗎?
在此先感謝。從ALL_OBJECTS
內容:
+-------+-----------------+----------------+-----------+----------------+-------------+---------------------+---------------+-----------+--------+-----------+-----------+-----------+-----------+--------------+
| OWNER | OBJECT_NAME | SUBOBJECT_NAME | OBJECT_ID | DATA_OBJECT_ID | OBJECT_TYPE | CREATED | LAST_DDL_TIME | TIMESTAMP | STATUS | TEMPORARY | GENERATED | SECONDARY | NAMESPACE | EDITION_NAME |
+-------+-----------------+----------------+-----------+----------------+-------------+---------------------+---------------+-----------+--------+-----------+-----------+-----------+-----------+--------------+
| AUW | INVOICES | 30367 | VIEW | 16.01.15 | 07.10.15 | 2015-10-05:13:44:13 | VALID | N | N | N | 1 | | | |
+-------+-----------------+----------------+-----------+----------------+-------------+---------------------+---------------+-----------+--------+-----------+-----------+-----------+-----------+--------------+
CREATE VIEW語句:
CREATE VIEW INVOICES AS
SELECT TRIM (person.NAME || NVL2 (person.Surname, ',' || person.Surname, '')) AS Name,
RTRIM (egy.e90sart1 || egy.E90SART2) AS InvoiceNo,
TRIM (person.street) AS Street
FROM person,
egy
WHERE person.key = egy.key;
所以只有列順序不同? – ibre5041
列的順序相同,但內容已更改。這節省了我的聲明:select * from invoices invoiceno in name。我將視圖複製到了一個新的視圖中,奇怪的是它顯示了新視圖中的正確數據... – triplus
這可能是這樣的:'create view abc(c1,c2,c3)as select c2,c1,c3 from ....' – ibre5041