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SQL 2000 memo field

Posted on 2003-11-12
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Last Modified: 2008-02-01
What is the best type of SQL 2000 field to store an ACCESS memo field.

I keep reading that text(16) is the way to go, but you can not use a text varible in a stored proc.  

i.e.

CREATE PROCEDURE usp_someProc
(
      @Name varchar(50),
      @Description text(16),
      @CompanyID int
)
AS

What is the best pratice for a memo field?
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Question by:makman111
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11 Comments
 
LVL 15

Expert Comment

by:namasi_navaretnam
ID: 9734777
varchar can hold upto 8000 chars. If you use text fields then you will need to use readtext function to read the text within sp.
0
 

Author Comment

by:makman111
ID: 9734802
not sure I am following your logic.  Do you have and example?
0
 
LVL 15

Expert Comment

by:namasi_navaretnam
ID: 9734875
This is an example from help file.

USE pubs
GO
DECLARE @ptrval varbinary(16)
SELECT @ptrval = TEXTPTR(pr_info)
   FROM pub_info pr INNER JOIN publishers p
      ON pr.pub_id = p.pub_id
      AND p.pub_name = 'New Moon Books'
READTEXT pub_info.pr_info @ptrval 1 25
GO


You will find many more examples if you search google
0
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LVL 75

Accepted Solution

by:
Anthony Perkins earned 250 total points
ID: 9734903
The syntax is as follows:
CREATE PROCEDURE usp_someProc
(
     @Name varchar(50),
     @Description text,
     @CompanyID int
)
AS

Suggest you post the body of your stored procedure to see if a text column is the best solution.  The big question you need to ask:  Is there any chance the column will require more than 8000 bytes.

Anthony
0
 
LVL 75

Expert Comment

by:Anthony Perkins
ID: 9734918
Also, please maintain your many old open questions:

1 09/09/2003 500 Crystal Reports 9 and VB  Open DB Reporting Tools
2 09/09/2003 500 CR 9 exporting with VB  Open Crystal Reports
3 09/23/2003 500 DATEADD  Open JavaScript
4 09/26/2003 500 Creating a better scroll bar  Open Macromedia Flash
5 08/05/2003 500 (500 pts) Cycling and updating records  Open Microsoft SQL Server
6 08/06/2003 500 (500 pts.) Returning Stored Proc Values ...  Open Microsoft SQL Server

Thanks,
Anthony
0
 

Author Comment

by:makman111
ID: 9734991
I ended up answering my own question

Set objCmd = Server.CreateObject("ADODB.Command")
            objCmd.ActiveConnection = objDB
      
            objCmd.CommandText = "usp_Edit_RequirementDetails"
            objCmd.CommandType = adCmdStoredProc
            objCmd.Parameters.Refresh
      
            objCmd.Parameters("@RequirementDescription").Value = sRequirementDescription
            objCmd.Parameters("@RequirementName").Value = sRequirementName
            objCmd.Parameters("@RequirementID").value = iRequirementID
            objCmd.Parameters("@CompanyID").value = Session("CompanyID")
      
0
 
LVL 75

Expert Comment

by:Anthony Perkins
ID: 9735164
>>objCmd.Parameters.Refresh<<
This should only be used when in development as it requires an extra roundtrip to the server.

Anthony
0
 

Author Comment

by:makman111
ID: 9735187
I posted that by mistake...

But I disagree with you.  the .refresh allows you to call a parameter by its keyword and not just it's position.  
0
 
LVL 75

Expert Comment

by:Anthony Perkins
ID: 9735213
>>the .refresh allows you to call a parameter by its keyword and not just it's position.<<
It does, but there is a performance hit for that convenience, that most shops would not tolerate.

Anthony
0
 

Author Comment

by:makman111
ID: 9735234
true...

programer convience over preformance - "the microsoft way = just add more memory"

0
 
LVL 75

Expert Comment

by:Anthony Perkins
ID: 9735237
This article lists some of the perils of the Parameters Refresh method:
HOWTO: Refresh ADO Parameters Collection for a Stored Procedure
http://support.microsoft.com/default.aspx?scid=kb;EN-US;174223

Anthony
0

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