Add sp example anchor

Author: ktaranov

SQL Server Name Convention and T-SQL Programming Style.md

@@ -597,7 +597,7 @@ Recommendations from Microsoft: [Stored procedure Best practice][11]
 
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-Stored Procedure Example:
+<a id="sp-example"></a> Stored Procedure Example:
 
 ```tsql
 IF OBJECT_ID('dbo.usp_StoredProcedure', 'P') IS NULL