mysql - 使用 Create view X as - MySql 已经存在表 X

Question

我正在做 ：

create view WritersCouples as
select researcher.serial_number as S1, researcher.firstname as S2
from researcher, researcher as rs
where researcher.serial_number <> rs.serial_number;

我收到以下错误：

Error Code: 1050. Table 'WritersCouples' already exists

我在 mySql 上使用工作台

谢谢 ！

Answer 1

添加以下内容：

create or replace view myview
as
select ....

Answer 2

您是否已经创建了视图？或者你已经有一个名为的表WritersCouples？

你可以试试这个：

create or replace view WritersCouples as
select researcher.serial_number as S1, researcher.firstname as S2
from researcher, researcher as rs
where researcher.serial_number <> rs.serial_number;

如果视图已经存在，它将替换视图。

Answer 3

如果视图已经存在，添加OR REPLACE子句：

create OR REPLACE view WritersCouples as
select researcher.serial_number as S1, researcher.firstname as S2
from researcher, researcher as rs
where researcher.serial_number <> rs.serial_number;