<div>
If I read that right, you want customers that have no Orders?<br />

<pre><code id="code-163492">SELECT CustomerID
FROM Customers
EXCEPT
SELECT CustomerID 
FROM Orders</code></pre>
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If I read that right, you want customers that have no Orders?


SELECT CustomerID
FROM Customers
EXCEPT
SELECT CustomerID 
FROM Orders

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aaronikin and chapmandew split the points. Both returned 38 rows. adlink la returned 32 rows. Thanks to all.
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aaronikin and chapmandew split the points. Both returned 38 rows. adlink la returned 32 rows. Thanks to all.

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<div class="content wysiwyg-content">
I have two tables ie Customers and Orders<br />
<br />
I need to Select all customers for which there are no orders.<br />
<br />
ie. Show the CustomerID for all orders where the CustomerID in the Customers table s not found in the CustomerID of the Orders table.<br />
What is the correct SQL syntax ?<br />
Thanks,
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</div>


I have two tables ie Customers and Orders

I need to Select all customers for which there are no orders.

ie. Show the CustomerID for all orders where the CustomerID in the Customers table s not found in the CustomerID of the Orders table.
What is the correct SQL syntax ?
Thanks,

Need to select all rows from table1 that do not have a matching key in table 2

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.

Microsoft SQL Server

Microsoft SQL Server 2005 is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning. It includes support for managing XML data and allows a database server to be exposed over web services using Tabular Data Stream (TDS) packets encapsulated within SOAP (protocol) requests.

Microsoft SQL Server 2005

SQL (Structured Query Language) is designed to be used in conjunction with relational database products as of a means of working with sets of data. SQL consists of data definition, data manipulation, and procedural elements. Its scope includes data insert, query, update and delete, schema creation and modification, and data access control.