The multi part identifier could not be bound что это такое

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set
[uniqum1] = [my_test].[dbo].[pok_osh_1].[uniqum]

where
[my_test].[dbo].[osh2].[rel_pokaz1] = [my_test].[dbo].[pok_osh_1].[syrecordidw]

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The Multi Part Identifier Could not be Bound

There are cases where a SQL Server database developer might get an error message similar to: “ The multi part identifier could not be bound “. This happens because of the way the database developer handles table scopes within the query. Read the article below, in order to better understand this error, and see how easy is to resolve it via a simple example.

Reproducing the “Multi Part Identifier Could not be Bound” Error Message

Let’s see below, a relevant example that reproduces the above error message.

Consider two tables; table Employee and table Address.

Employee table:

Address table

Let’s say we want to write a query returning all the employees and their country of residence sorted by the latter alphabetically.

A suggested query would be the following:

Indeed, the above query works fine.

Though if someone tried to get the employees’ country using a subquery like this:

… then he/she would end up with the following error:

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Explaining and Resolving the Error

The problem in the above T-SQL Statement is that even though we used “addr” as a table alias in the subquery, we are not syntactically allowed to use it outside the scope of the subquery which, in this example, is in the order by clause. Though the opposite is possible, that is to reference a table/alias of an outer query within an internal query (subquery). That is why in our subquery we are able to reference the emp.id table/column.

For eliminating the above error and keep on using the subquery, the correct code for this case would be:

Analysis and Discussion

Even though in this example the problem was obvious, in many cases where we develop some really large and complex queries along with subqueries, we might end up consuming valuable time for resolving such issues 🙂

To this end we should always be careful when using subqueries in our T-SQL statements and always keep in mind that subqueries can only provide their results to their outer queries and not references to the subqueries’ tables.

A future post will thoroughly explain the usage of subqueries in SQL Server.

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8 thoughts on “The Multi Part Identifier Could not be Bound”

Simply Forgeting the «FROM» part of a SQL Expression will give you the same error. I pulled half my hair out finding this simple mistake after 17 years of writing SQL statements….Ahhh!

Well, I am quite sure that everyone of us does such mistakes sometimes!

The good thing is that in the end, finally we find and correct the mistake!

But don’t forget the WHERE clause, because then you will be bald before you are 30!

Wrongly refering a column also gives same error.

Select * from EMP t

where e.EmployeeID = 5

would give same error.

Make sure you have spelled the table name correctly. Misspelling the table name as in «Student.First_Name» if the table name is «Students» (with an s at the end) will also cause this error.

Hello, I am learning Sql and I am stuck doing this stored procedure (see below). Can someone direct me on what I am doing wrong? I am trying to write a code that allows a user to enter business information from two separate table called Business and Employer when «HaveBusiness»? which is a table in another table called person is yes (or = 1) and then reset to Zero (or no) after the insert statements:

@BusinessId int,
@PersonId int,
@BusinessName nvarchar (50),
@BizAddr nvarchar (50),
@BizCity nvarchar (10) = NULL,
@BizState nvarchar,
@BizCountryId nvarchar,
@BizFieldId int,
@BizPhone int,
@BizEmail nvarchar (30),
@BizWebsite nvarchar (50) = NULL,
@BizFax int = 0,
@DateBizStarted date,
@AboutBiz nvarchar (75)
AS
BEGIN
SET NOCOUNT ON;
BEGIN TRANSACTION

If dbo.person.HaveBusiness = 1
Insert into dbo.Business (BusinessName, BizAddr, BizCity, BizState, BizCountryId, BizFieldId)
Values (@BusinessName, @BizAddr, @BizCity, @BizState, @BizCountryId, @BizFieldId)
Insert into dbo.Employer (BizPhone, BizEmail, BizWebsite, BizFax, DateBizStarted, AboutBiz)
Values (@BizPhone, @BizEmail, @BizWebsite, @BizFax, @DateBizStarted, @AboutBiz)

Update HaveBusiness
SET HaveBusiness = 0;

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The multi-part identifier could not be bound error message petapoco

I am using petapoco relationExtensions with the following :

but having the following error.

What is wrong? Am I missing anything?

Project Class definition

UserProject Class definition

2 Answers 2

Assuming that there is a UserProject table; the error is a SQL error because you’re not joining the UserProject table and referring to it in the sql. Try this :

The relation extensions don’t change your sql

Try this. It specifies the second object’s key as well as the first.

Notice also the usage of parameters rather than concatenating it into your sql string. That wouldn’t give you an error, but it’s better to do it this way for a variety of reasons.

Edit

I just noticed that you are not actually joining in the UserProject table in your sql. That would be why you got the first error above. Did you really mean something like below?

Update

Based on your classes above, you are missing something. I am assuming that you have a one-to-many relationship between Projects and UserProjects (seems like UserProject might be a bridge table in a many-to-many relationship between Projects and Users). The purpose of the FetchOneToMany method is to take the ‘many’ side of the relationship and put all those objects into a list property on the ‘one’ side of the relationship.

So, you should have a property on your Project class that is List type in order for this to work.

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Решите ошибку «The multi-part identifier could not be bound» в SQL Server

Ошибка заключается в следующем:

1 ответ

Я недавно начал использовать отчеты SSRS, и я изо всех сил пытаюсь понять, почему я получаю следующую ошибку: The multi-part identifier ‘ST.ProvinceID’ could not be bound. Я понимаю, что означает эта ошибка, но не понимаю, почему она не работает в данном случае. Я построил довольно много.

У вас есть перекрестное соединение между tblUserLoginDetail и tblInvoicePaymentDetails в предложении FROM, поэтому вы не можете использовать l.loginid в предложении FROM

Я думаю, что вы хотите этого с явным ВНУТРЕННИМ СОЕДИНЕНИЕМ. Я также разделил условия фильтрации и соединения:

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Я создал представление, которое получает данные из нескольких таблиц, whenI go, чтобы скомпилировать его, я продолжаю получать ошибку The multi-part identifier could not be bound, которая полностью.

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Я недавно начал использовать отчеты SSRS, и я изо всех сил пытаюсь понять, почему я получаю следующую ошибку: The multi-part identifier ‘ST.ProvinceID’ could not be bound. Я понимаю, что означает.

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