SQL Server 2008 多数据库存储过程：无法绑定多部分标识符

发布于 2024-11-05 22:14:48 字数 376 浏览 5 评论 0原文

我正在尝试为 SQL Server 2008 编写一个存储过程。它是一种将数据从一个数据库迁移到另一个数据库的迁移工具。

我想从旧数据库中获取新数据库中尚未存在的所有记录。为此，我使用下面的存储过程。但我得到了错误

多部分标识符无法被束缚

在执行存储过程时。我该怎么做才能使这项工作成功？

这是SP：

SELECT *
FROM Measurement_device
WHERE Measurement_device.Department_Code = '99'
  AND mir.dbo.Gages.Gage_code != Device_Number

原文

I am trying to write a stored procedure for SQL Server 2008. It is for a migration tool that migrates data from one database to another.

I want to get all records from the old database that aren't yet present in the new database. For that end I use the stored procedure below. But I get the error

The multi-part indentifier could not
be bound

while executing the stored procedure. What can I do to make this work?

Here is the SP:

SELECT *
FROM Measurement_device
WHERE Measurement_device.Department_Code = '99'
  AND mir.dbo.Gages.Gage_code != Device_Number

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橘虞初梦 2024-11-12 22:14:48

这是因为当 FROM 子句中未引用该表时，就会出现 mir.dbo.Gages.Gage_code 条件。尝试这样的事情：

SELECT m.*
FROM Measurement_device m
    LEFT JOIN mir.dbo.Gages g ON g.Gage_code = m.Device_Number
WHERE m.Department_Code = '99'
    AND g.Gage_code IS NULL -- where the gage_code/device_number does not already exist in mir database

It's because you have the mir.dbo.Gages.Gage_code condition when that table is not referenced in the FROM clause. Try something like this:

SELECT m.*
FROM Measurement_device m
    LEFT JOIN mir.dbo.Gages g ON g.Gage_code = m.Device_Number
WHERE m.Department_Code = '99'
    AND g.Gage_code IS NULL -- where the gage_code/device_number does not already exist in mir database

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