SQL> CREATE VIEW "[my_view]" as select ename, sal from emp where sal>2000;
CREATE從EMP VIEW 「[my_view]」 作爲選擇的ename,SAL其中SAL> 2000 * ERROR位於第1行:ORA-01031:特權不足 SQL> select * from "[my_view]";
SELECT
我的模型看起來是這樣的: class ComicSeries(models.Model):
"""Model definition for ComicSeries."""
# TODO: Define fields here
user = models.ForeignKey(User, on_delete=models.CASCADE,
nul
我有一個通用的CreateView來創建一個具有到另一個模型的ForeignKey的ModelInstance。用戶通過點擊其他模型DetailView上的鏈接到達那裏。相反,用戶選擇ForeignKey的對象我想隱藏這個領域,並從URL中傳遞類似這樣的ID預填充它: url(r'^t/(?P<pk>\d+)/add_r/$', ReceiptCreateForTask.as_view(), na
的MySQL創建視圖:在Windows CREATE VIEW Foo as
select type from (select 8 as type UNION ALL select 9 as type) types;
的MySQL 5.7.11:作品,但MySQL的5.6.25-0ubuntu0.15.04.1(Ubuntu的):不工作。 View's SELECT contains a s
我需要創建一個視圖:employee_view CREATE VIEW employee_view (Name_of_employee, Name_of_PL, Name_of_manager)
AS
(
Need help here!
)
Raj is an employe
Vijay is a PL
Kumar is a manager
爲視圖列中的數據是從一個單一的柱來的表