从MS SQL SERVER和MS ACCESS调用存储过程的结果之间的差异

Question

SP is RecordSource of the form. When form is opened SP executed and after a time-out of query, connection is closing with nothing. If SP executed from SSMS it performed for about 2 seconds and returns a set of records. As I watched through the SSMS Profiler calls are identical, but count of Reads value (an execute from Access) > 28 million, and about 70 thousand from the SSMS. Help me, I'm confused. Screen with profiler http://take.ms/u7tTy

Answer 1

@tobypls,
thank you very much - your link was helpful.
Simple solution is rewrite (for example)

from

ALTER PROCEDURE [dbo].[sproc] 
@param1 int,  
AS  
SELECT * FROM Table WHERE ID = @param1  

to

ALTER PROCEDURE [dbo].[sproc] 
@param1 int,
AS
DECLARE @param1a int
SET @param1a = @param1
SELECT * FROM Table WHERE ID = @param1a  

I get it from this post .

But if you need full understanding of trouble then you must read really great article
Slow in the Application, Fast in SSMS? Understanding Performance Mysteries