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&quot;The @CustID means it's a parameter that you will supply a value for later in your code. This is the best way of protecting against SQL injection. Create your query using parameters, rather than concatenating strings and variables. The database engine puts the parameter value into where the placeholder is, and there is zero chance for SQL injection.&quot;<br />
<br />
From<br />
<br />
<a href="http://stackoverflow.com/questions/361747/what-does-the-symbol-do-in-sql" rel="ugc">http://stackoverflow.com/questions/361747/what-does-the-symbol-do-in-sql</a>
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"The @CustID means it's a parameter that you will supply a value for later in your code. This is the best way of protecting against SQL injection. Create your query using parameters, rather than concatenating strings and variables. The database engine puts the parameter value into where the placeholder is, and there is zero chance for SQL injection."

From

http://stackoverflow.com/questions/361747/what-does-the-symbol-do-in-sql [http://stackoverflow.com/questions/361747/what-does-the-symbol-do-in-sql]

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An identifier beginning with the &quot;at&quot; sign denotes a local variable or parameter.
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An identifier beginning with the "at" sign denotes a local variable or parameter.

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<div class="content wysiwyg-content">
What does it mean when a select statement has a @?<br />
for example<br />
<br />
Select @column1, @column2<br />
From table1
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What does it mean when a select statement has a @?
for example

Select @column1, @column2
From table1

Tsql select statement

SQL Server Reporting Services (SSRS) is a server-based report generation software system from Microsoft. It can prepare and deliver a variety of interactive and printed reports and is administered via a web interface or its web service. Its web services interface also supports the development of custom reporting applications. Finally, SSRS can also be integrated with SharePoint. SSRS competes with other business intelligence tools, most prominently Crystal Reports.

SSRS

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

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