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Using schema binding to improve SQL Server UDF performance

SCHEMA BINDING is commonly used with SQL Server objects like views and User Defined Functions (UDF). The main benefit of SCHEMA BINDING is to avoid any accidental drop or change of an object that is referenced by other objects. A User Defined Function (UDF) may or may not access any underlying database objects, but in this tip we show how using SCHEMA BINDING with a UDF can improve performance even if there are no underlying objects.

2009-03-09

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Question of the Day

Who am I?

If I want to track which login called a stored procedure and use the value in an audit, what function can I use to replace the xxx below?

create procedure AddNewCustomer
  @customername varchar(200)
AS
BEGIN
    DECLARE @added VARCHAR(100)
    SELECT @added = xxx

    IF @customername IS NOT NULL
      INSERT dbo.Customer
      (
          CustomerName,
          AddedBy 
      )
      VALUES
      (@customername, @added)
END

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