关于实体框架数据库生成电源包
在更改 EF edmx 文件后，我尝试使用此包进行数据库迁移。 但我总是收到以下错误：
Creating [sg].[Addresses]...
Msg 2714, Level 16, State 6, Line 1
There is already an object named 'Addresses' in the database.
** An error was encountered during execution of batch. Exiting.
地址表肯定在数据库中，因为这是一个迁移脚本。我选择“生成迁移T-SQL.xaml（VS）”策略来生成数据库。为什么脚本没有解决这个问题？
I've tried using this pack to do database migration after I changed the EF edmx file.
But I always receive following error:
Creating [sg].[Addresses]...
Msg 2714, Level 16, State 6, Line 1
There is already an object named 'Addresses' in the database.
** An error was encountered during execution of batch. Exiting.
The addresses table is in database for sure, because this is a migration script. I selected "Generate Migration T-SQL.xaml (VS)" strategy for generating database. How come the script does not address this problem?
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它仍然应该位于您正在生成的单独的新数据库中......好吧......新数据库。这是迁移的事实仅意味着正在考虑（可能）移动现有数据/元数据。这并不意味着它会改变现有的数据库。
It should still be in a separate, new database that you are generating the... well... new database. The fact that it is a migration just means that existing data/metadata is being taken into account to (possibly) be moved. It does not mean it alters the existing database.