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Select result from stored procedures in MS SQL

Posted on 1998-05-22
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Last Modified: 2010-04-06
Hi!
I've read that I can use stored procedures to speed up my
application. I made stored procedure like this:

create procedure MySelectProc @aDog int as
select * from Dogs where HeadID=@aDog
go

I placed TStoredProc on my TDataModule, set up properties, loaded all fields in the fields editor. When I do

MyExec..ParamByName('aDog').AsInteger := aDog;
MyExec.Open;

I don't recieve any set. MyExec is empty. ISQL/W gives to me result what I want

exec MySelectProc @aDog=10

Why I can't get my stored procedure result set.

(Delphi 3.0, MS SQL 6.5)
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Question by:hansmtbank
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3 Comments
 
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Expert Comment

by:ronit051397
ID: 1347459
As far as I know, in Stored procedures you have to create a temporary table and put the results in there.
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Author Comment

by:hansmtbank
ID: 1347460
How do I do this?
Is this only one way to get results? It may be slow, and I can use  TQuery in my application.

TStoredProc + temporary table are slower than TQuery?
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Accepted Solution

by:
ronit051397 earned 100 total points
ID: 1347461
1. For SQL Servers use only TStoredProc and TQuery not TTable, recommanded by me    and Borland.
2. TQuery is faster and more reliable then TTable when it deals with SQL Servers and             large tables.
3. Use TQueries when you are doing simple and light 'Selectes'.
4. Use Stored procedures for heavy actions such as reports.
    After you genereted a result set in the stored procedure, do the following:
    - Create a table, SQL command: CREATE TABLE "SomeName"....
    - Fill that table with the results.
    - Put a TQuery and write in the sql:select * from "SomeName"...
    - If you want it to be temporary, then at some stage call the SQL command:
      DROP TABLE "SomeName"....
Don't write a Stored Procedure when you need to do a simple select, use TQuery instead. Use Stored procedures only when you need to write complex SQL programs.
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