it seems that starting with MDAC 2.8 the FETCH NEXT statement for cursors requires an INTO clause. otherwise an unspecified error is returned.
so it's not possible to scroll through the records anymore without storing the values of the fields into local variables?
HelloI have a VB6 application using classic ado (MDAC 2.8) for connectingms sql 2000 server. Application uses a lot of server side cursors. NowI want to switch to ms sql 2005 server but I have noticed very seriousperformance problem. Sql profiler results of execution of followingcommands:declare @p1 intset @p1=180150131declare @p3 intset @p3=1declare @p4 intset @p4=16388declare @p5 intset @p5=22221exec sp_cursoropen @p1 output,N' Select ... from ... where .... orderby ...',@p3 output,@p4 output,@p5 outputselect @p1, @p3, @p4, @p5on sql server 2000:CPU: 234Reads:82515Writes:136Duration:296and on sql server 2005:CPU: 4703Reads:678751Writes:1Duration:4867Both databases are identical, the servers runs on the same machine(Pentium 2,8 Ghz, 2 GB RAM) with only one client connected. On forumsI've read that Microsoft doesn't recommend using server side cursorson sql 2005 but is there any way to increase performance to someacceptable level?thanks in advanceszymon strus
View 5 Replies View RelatedHello
I have a VB6 application using classic ado (MDAC 2.8) for connecting ms sql 2000 server. Application uses a lot of server side cursors. Now I want to switch to ms sql 2005 server but I have noticed very serious performance problem. Sql profiler results of execution of following commands:
declare @p1 int
set @p1=180150131
declare @p3 int
set @p3=1
declare @p4 int
set @p4=16388
declare @p5 int
set @p5=22221
exec sp_cursoropen @p1 output,N' Select ... from ... where .... order by ...',@p3 output,@p4 output,@p5 output
select @p1, @p3, @p4, @p5
on sql server 2000:
CPU: 234
Reads: 82515
Writes: 136
Duration: 296
and on sql server 2005:
CPU: 4703
Reads: 678751
Writes: 1
Duration: 4867
Both databases are identical, the servers runs on the same machine (Pentium 2,8 Ghz, 2 GB RAM) with only one client connected. On forums I've read that Microsoft doesn't recommend using server side cursors on sql 2005 but is there any way to increase performance to some acceptable level?
thanks in advance
szymon strus
Let's say i have 5 unique RRID's, column APID and ITID
RRID - APID - ITID
1 13 700
2 13 700
3 13 700
4 14 700
5 15 700
If I run the stored procedure below, I get the results above however, I want my result to be
RRID - APID - ITID
1 13 700
2 13 700
3 13 700
4 14 701
5 15 702
I want my cursor to loop at the same APID then assign one ITID then move to the next APID and so on...
Any help is highly appreciated....
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO
ALTER PROCEDURE InsNewEmployeeImpTaskP2
@REID int,
@LOID int,
@RetValintoutput
AS
Declare @RRID int
Declare @APID int
Declare @intREID varchar(20)
Declare @intIMID varchar(20)
Declare crReqRec cursor for
select RRID from RequestRecords where REID = @REID and RRSTatus = 'AC' and APID is not null
open crReqRec
fetch next from crReqRec
into
@RRID
set @APID = (select APID from RequestRecords where REID = @REID and RRID = @RRID)
set @intIMID = (SELECT ImplementationGroup.IMID
FROM ImplementationGroup_Location INNER JOIN
ImplementationGroup ON ImplementationGroup_Location.IMID = ImplementationGroup.IMID INNER JOIN
Applications_ImplementationGroup ON ImplementationGroup.IMID = Applications_ImplementationGroup.IMID where APID = @APID and ImplementationGroup_Location.LOID = @LOID )
insert into ImplementationTasks
(
IMID,
ITStatus,
ITStatusDate
)
VALUES
(
@intIMID,
'2',
GetDate()
)
SET @RetVal = @@Identity
while @@fetch_status = 0
Begin
Update RequestRecords
set ITID = @RETVal, RRStatus = 'IA'
where REID = @REID and RRID = @RRID
FETCH NEXT FROM crReqRec
into
@RRID
end
close crReqRec
deallocate crReqRec
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
Hi,
I'm relatively inexperienced in sql, and am having trouble interpreting the behavior of a cursor in some code I have inherited. When there is a record in both the Filters and FilterElements tables, the fetch_status is 0. If there is a record in Filters, but no child record in FilterElements, the fetch_status is -1. Since the tables are joined with a RIGHT OUTER JOIN, even when there is no corresponding record in FilterElements, a record is returned (I have verified running the select in a query window). But when used in a cursor, the record is not fetched. The fetch_status is -1. Can anyone tell me why the fetch doesn't work in this case. Thanks
----
DECLARE @CreatedByUser nchar(100), @WorkflowIDs varchar(50);
DECLARE @MyVariable CURSOR;
SET @MyVariable = CURSOR FOR
SELECT isnull(Filters.WorkflowIDs, ''),
isnull(FilterElements.CreatedByUser, '')
FROM Filters RIGHT OUTER JOINFilterElements ON Filters.ItemID = FilterElements.FiltersItemID
WHERE FiltersItemID = @FilterID;
OPEN @MyVariable;FETCH NEXT FROM @MyVariable
INTO @WorkflowIDs, @CreatedByUser;
Hello,
I am hoping someone can help me with using the cursor and fetch functions. I have not used these features in the past and I am now stuck when trying to use IF statements with the fetch function.
I have a temp table populated with the below headers and their associated data.
The headers are as follows:
ItemRcvdKey, TranID, TranDate, QtyReceived, UnitCost, ItemKey, WhseKey, ItemID, ShortDesc, WhseID, QtyOnHand, StdCost.
The information contained in this temp table lists every single receipt of goods against all of our inventoried items. The QtyOnHand listed on each record is the total QtyOnHand for that item in that warehouse. What I need the fetch to do is grab the receipt of goods records, starting with the most recent TranDate, and pull them into the new temp table until the QtyOnHand is reached. The QtyonHand it should be comparing too is the one listed on the first fetched record. Once the Sum of the QtyRcvd is equal to or is greater than the QtyOnHand for that item I need the fetch to move on to the next item number and perform the same function.
One thing I need to be clear on is that if there are 3 Receipt Records(TranID) for Item A in Warehouse A, the total QtyOnHand will be listed 3 times. I need to make sure that the Fetch is comparing all the records for Item A in Warehouse A to one instance of the QtyOnHand.
The other aspect is that there will be receipt of goods for the same item in multiple warehouses. So I also need the Fetch to be sure that when it is grabbing records and putting them in the temp table, it makes sure it is matching the ItemID and the WhseID with the record it started with.
The current script I have written is below. If you can offer any help I would greatly appreciate it.
Code SnippetDeclare @ItemID VarChar(30),
@QtyOnHand Decimal (16,8),
@WhseID VarChar (6),
@SumRcvd Int,
@TranID VarChar(30),
@TranDate DateTime,
@QtyRcvd Decimal (16,8),
@UnitCost Decimal (16,8),
@ItemKey Int,
@WhseKey Int,
@ShortDesc VarChar (40),
@StdCost Decimal (16,8)
DECLARE Temp_cursor CURSOR FOR
SELECT TranID, TranDate, QtyRcvd,
UnitCost, ItemKey, WHseKey,
ItemID, ShortDesc, WhseID,
QtyOnHand, StdCost
FROM #Temp1 tem
OPEN Temp_cursor
FETCH NEXT FROM Temp_cursor
INTO @TranID, @TranDate, @QtyRcvd,
@UnitCost, @ItemKey, @WHseKey,
@ItemID, @ShortDesc, @WhseID,
@QtyOnHand, @StdCost
WHILE @@FETCH_STATUS = 0
BEGIN -- 0
Insert Into #Temp3
(TranID, TranDate, QtyRcvd,
UnitCost, ItemKey, WHseKey,
ItemID, ShortDesc, WhseID,
QtyOnHand, StdCost)
Values
(@TranID, @TranDate, @QtyRcvd,
@UnitCost, @ItemKey, @WHseKey,
@ItemID, @ShortDesc, @WhseID,
@QtyOnHand, @StdCost)
FETCH NEXT FROM Temp_cursor
INTO @TranID, @TranDate, @QtyRcvd,
@UnitCost, @ItemKey, @WHseKey,
@ItemID, @ShortDesc, @WhseID,
@QtyOnHand, @StdCost
Open a cursor , Fetch the record ,
during this kind of operation , will the specific table be locked and fail
to be updated or select by another session ?
I seem to have a few problems with the below double cursor procedure. Probably due to the fact that I have two while loops based on fetch status. Or???
What I want to do is select out a series of numbers in medlemmer_cursor(currently set to only one number, for which I know I get results) and for each of these numbers select their MCPS code and gather these in a single string.
For some reason the outpiut (the insert into statement) returns the correct number 9611 but the second variable @instrumentlinje remains empty.
If I test the select clause for 9611, it gets 4 lines. So to me its like the "SELECT @instrumentlinje = @instrumentlinje + ' ' + @instrument" statement doesn't execute.
DELETE FROM ALL_tbl_instrumentkoder
DECLARE @medlem int
DECLARE @instrument varchar(10)
DECLARE @instrumentlinje varchar(150)
DECLARE medlemmer_cursor CURSOR FOR
SELECT medlemsnummer
FROM ket.ALL_tbl_medlemsinfo (NOLOCK)
WHERE medlemsnummer = 9611
DECLARE instrumenter_cursor CURSOR FOR
SELECT [MCPS Kode]
FROM Gramex_DW.dbo.Instrumentlinie (NOLOCK)
WHERE Medlemsnummer = @medlem
OPEN medlemmer_cursor
FETCH NEXT FROM medlemmer_cursor INTO @medlem
WHILE @@FETCH_STATUS = 0
BEGIN
OPEN instrumenter_cursor
FETCH NEXT FROM instrumenter_cursor INTO @instrument
WHILE @@FETCH_STATUS = 0
BEGIN
SELECT @instrumentlinje = @instrumentlinje + ' ' + @instrument
FETCH NEXT FROM instrumenter_cursor INTO @instrument
END
CLOSE instrumenter_cursor
INSERT INTO ALL_tbl_instrumentkoder VALUES(@medlem, @instrumentlinje)
FETCH NEXT FROM medlemmer_cursor INTO @medlem
END
CLOSE medlemmer_cursor
DEALLOCATE medlemmer_cursor
DEALLOCATE instrumenter_cursor
I write few lines to do a bottom-up calculation, with 'fetch last' and 'fetch prior'.
It seems that the condition 'WHILE @@FETCH_STATUS = 0' does not work when cursor arrives at the first line, as there is an error message:
'(1 row(s) affected)
6255.84
(1 row(s) affected)
Msg 16931, Level 16, State 1, Line 18
There are no rows in the current fetch buffer.
The statement has been terminated.'
how to fix the error?
Here is my code:
DECLARE @lastprice real
DECLARE @updatedprice real
DECLARE @updatedRe real
DECLARE @updatedAUX real
SET @lastprice = (
SELECT Close_P from #ClosePrice where #ClosePrice.DateTD = (SELECT MAX(#ClosePrice.DateTD) FROM #ClosePrice)
)
[code].....
Hello,
I have searched the net for an answer but could not find one. When I declare a table variable
and then try to insert fetched row into the table variable like:
Code Snippet
declare @table table (col1 nvarchar(50), col2 nvarchar(50))
declare curs for
select * from sometable
open curs
fetch next from curs into @table
it does not work. any help would be great.
thnx
Hi all,
I got a problem. I am working on DTS package. The last step is updating a table field. I wrote a stored procedure as below:
CREATE PROCEDURE [Update_product_manufacturer] AS
Declare @product_id int
Declare @supplier_name VarChar (255)
Declare ValueCursor Cursor For
select product.product_id, [P21_SUPPLIER_id_name_ke].[supplier_name]
from [VARIANT],[P21_INV_MAST_uid_itenID_weight_ke],[product],
[P21_INVENTORY_SUPPLIER_uid_supplierID_price_cost_k e],[P21_SUPPLIER_id_name_ke]
where
[product].product_id = [VARIANT].[product_id]
and
[P21_INV_MAST_uid_itenID_weight_ke].[item_id]=[VARIANT].[SKU]
AND
[P21_INV_MAST_uid_itenID_weight_ke].[inv_mast_uid]=[P21_INVENTORY_SUPPLIER_uid_supplierID_price_cost_k e].[inv_mast_uid]
AND
[P21_SUPPLIER_id_name_ke].[supplier_id]=[P21_INVENTORY_SUPPLIER_uid_supplierID_price_cost_k e].[supplier_id]
order by [product].[product_id]
for read only
Open ValueCursor
while (0 = 0)
begin
fetch next
from ValueCursor
Into @product_id, @supplier_name
update product
set manufacturer = @supplier_name
where product_id = @product_id
end
close ValueCursor
Deallocate ValueCursor
Notes: Table: Product has 28,000 rows, other tables with 28,000 - 56,000 rows
it's been 2 hours, the job is still working.
Who has this kind of experience? How can I make updating quickly?
Thanks,
Kevin Zhang
Hi all
I want to put the fetch results of a cursor to a temporary DB for manipulation, Im selecting all columns from the table in the cursor and the number of total columns is unknow.
Please guide me on how this could be done...
Thanks in advance
Regards
Benny
I want to send 1 email with all clientname records which the cursor gets for me.
My code however is sending 1 email for 1 record i.e clientname got from db. What's wrong? please help.
I ano table to understand here about the while if right.
thanks.
+++++++++++++++++++++++++++++++++++++++++
CREATE PROCEDURE test1
AS
declare @clientName varchar(1000)
declare myCursor CURSOR STATIC
for
select client_name
from clients
-------------------------
-- now prepare and send out the e-mails
declare @ToEmail varchar(255)
declare @FromEmail varchar(255)
declare @Subject varchar(255)
declare @Body varchar(2000)
declare @UserID numeric(38)
declare @UserName varchar(255)
declare @SMTPServer varchar(100)
set @SMTPServer = 'test.testserver.com'
-- loop for each record
open myCursor
fetch next from myCursor
into @clientName
--loop now:
while (@@fetch_status=0)
begin -- while(@@fetch_status=0)
-- check if valid "To" e-mail address was found
if ((@clientName is null) or (ltrim(@clientName) = ''))
begin
--should not come here anytime ideally
set @FromEmail = 'me@test.com'
set @ToEmail = 'me@test.com'
set @Subject = 'was emailed to wrong person'
set @Body = 'the client name got is : '+ @clientName + 'client is null or empty'
end --if
else
begin
set @FromEmail = 'me@test.com'
set @ToEmail = 'me@test.com'
set @Subject = '-testing'
set @Body =
'this will send
ClientName:'+ @clientName
end --end else
-- send the e-mail
--exec dbo.usp_SendCDOSysMailWithAuth @FromEmail, @ToEmail, @Subject, @Body, 0, @SMTPServer
--fetch next from myCursor into @clientName
fetch next from myCursor
into @clientName
end --while(@@fetch_status=0)
exec dbo.usp_SendCDOSysMailWithAuth @FromEmail, @ToEmail, @Subject, @Body, 0, @SMTPServer
close myCursor
deallocate myCursor
GO
Dear all,
I have a procedure in Oracle that contains the following cursor:
CURSOR SCHED_TRIPS IS
SELECT TRAVELDATE, STOP_NUM, TRIPID, STOP_TYPE, PROMISED_TIME, ETA, PERFORM_TIME, DEPART_TIME, ETD, DRIVERWAIT, PASSENGERWAIT, TRIPTIME, GROUP_ID
FROM Dbo.SCHEDTRIPS_VIEW
WHERE UNQ_ID = SESSION_ID AND TRUNC(TRAVELDATE) = TRUNC(TDATE)
AND DISPOSITION <> 'V';
BEGIN
FOR S IN SCH_TRIPS LOOP
UPDATE dbo.SCHEDULES T
SET T.DIRTYBIT = 1
WHERE T.TRIPID = S.TRIPID AND T.STOP_TYPE = S.STOP_TYPE AND (T.STOP_NUM <> S.STOP_NUM OR T.ETA <> S.ETA);
UPDATE dbo.SCHEDULES T
SET T.STOP_NUM = S.STOP_NUM, T.PROMISED_TIME = S.PROMISED_TIME, T.ETA = S.ETA, T.ETD = S.ETD, T.LAST_CHANGED = SYSDATE
WHERE T.TRIPID = S.TRIPID AND T.STOP_TYPE = S.STOP_TYPE;
END LOOP;
COMMIT ;
END;
My problem is with the line shown in Red. What will be the T-SQL equivalent for this line.
Anxiously waiting for help!
I don't understand using a dynamic cursor.
Summary
* The fetch next statement returns multiple rows when using a dynamic cursor on the sys.dm_db_partition_stats.
* As far as I know a fetch-next-statement always returns a single row?
* Using a static cursor works as aspected.
* Works on production OLTP as well as on a local SQL server instance.
Now the Skript to reproduce the whole thing.
create database objects
-- create the partition function
create partition function fnTestPartition01( smallint )
as range right for values ( 1, 2, 3, 4, 5, 6, 7, 8 , 9, 10 ) ;
[Code]....
Why does the fetch statement return more than 1 row? It returns the whole result of the select-statement. When using a STATIC cursors instead I get the first row of the cursor as I would expect. Selecting a "normal" user table using a dynamic cursor I get the first row only, again as expected.
create proc emailnew
as
declare @From varchar(8000)
declare @Subject varchar(8000)
declare @Body varchar(4000)
declare @smtp varchar(8000)
declare @counter int, @tbl varchar(8000)
Declare @MailID int
Declare @hr int
Declare @To varchar(8000)
Declare @tblquery varchar(8000)
declare @id int, @deptemail varchar(8000), @tmpmth varchar(8000), @usedb varchar(8000)
set @from = 'name@mail.com'
set @subject = 'testheader'
set @body = 'testing successful'
set @smtp = 'smtp.com'
--=========================================================================
--============================ get database name =======================
IF (LEN(MONTH(GETDATE())) = 1)
BEGIN
Set @TmpMth = '0' + CAST(MONTH(GETDATE()) AS varchar(2)) --01
END
ELSE
BEGIN
Set @TmpMth = CAST(MONTH(GETDATE()) AS varchar(2)) --12
END
SET @UseDB = 'DATA' + CAST(YEAR(GETDATE()) AS varchar(4)) + @TmpMth --aia_DATA200712
--===================================================================
--============================ get table number =======================
set @counter = 1
while @counter >= 59
begin
IF (LEN(@counter) = 1)
BEGIN
Set @Tbl = '0' + @counter --01
END
ELSE
BEGIN
Set @Tbl = @counter --12
END
--=========================check if table being created exists
IF EXISTS (SELECT 1
FROM information_schema.schemata
WHERE catalog_name = 'temptable')
GOTO table_1
--=================================== get all email accounts =====================
set @tblquery = '
select ID, Email
INTO temptable
FROM
(
select distinct d.id, d.email from tt32_aia.dbo.department d right outer join tt32_aia.dbo.extension e ON (e.parentid = d.id) right outer join
' + @usedb + '.dbo.other' + @tbl + ' data ON (e.extn = data.extn) where callclass = '''' or callclass is null
UNION ALL select distinct d.id, d.email from tt32_aia.dbo.department d right outer join tt32_aia.dbo.extension e ON (e.parentid = d.id) right outer join
' + @usedb + '.dbo.inward' + @tbl + ' data ON (e.extn = data.extn) where callclass = '''' or callclass is null
UNION ALL select distinct d.id, d.email from tt32_aia.dbo.department d right outer join tt32_aia.dbo.extension e ON (e.parentid = d.id) right outer join
' + @usedb + '.dbo.local' + @tbl + ' data ON (e.extn = data.extn) where callclass = '''' or callclass is null
UNION ALL select distinct d.id, d.email from tt32_aia.dbo.department d right outer join tt32_aia.dbo.extension e ON (e.parentid = d.id) right outer join
' + @usedb + '.dbo.other' + @tbl + ' data ON (e.extn = data.extn) where callclass = '''' or callclass is null
)data
DECLARE deptemail_cursor CURSOR FOR select id, email
from temptable where id is not null
'
--=============================================================================
--====just above you can see the cursor.. below is sending the emails
--======================================================================
exec(@tblquery)
OPEN deptemail_cursor
FETCH NEXT FROM deptemail_cursor INTO @id, @deptemail
WHILE @@FETCH_STATUS = 0
BEGIN
--If LEN(@deptemail) > 0
--BEGIN
set @to = @deptemail
EXEC @hr = sp_OACreate 'CDo.message', @MailID OUT --CDo.message |CDONTS.NewMail <-- different mail server
EXEC @hr = sp_OASetProperty @MailID ,
'Configuration.fields("http://schemas.microsoft.com/cdo/configuration/sendusing").Value','2'
EXEC @hr = sp_OASetProperty @MailID ,
'Configuration.fields("http://schemas.microsoft.com/cdo/configuration/smtpserver").Value', @smtp
EXEC @hr = sp_OASetProperty @MailID , 'From', @From
EXEC @hr = sp_OASetProperty @MailID , 'HTMLBody', @Body
EXEC @hr = sp_OASetProperty @MailID , 'Subject', @Subject
EXEC @hr = sp_OASetProperty @MailID , 'To', @to
EXEC @hr = sp_OAMethod @MailID , 'Send', NULL
EXEC @hr = sp_OADestroy @MailID
--END
FETCH NEXT FROM deptemail_cursor INTO @id, @deptemail
END
CLOSE deptemail_cursor
DEALLOCATE deptemail_cursor
Table_1:
drop table temptable
return
set @counter = @counter + 1
end
this is suppose to send email automatically to every email account that it will get from all the tables (around 250 tables).
the problem is its not sending, but if i try to take my code outside of the "SET @COUNTER = @COUNTER + 1 END" and close the if statement above, i can produce the correct result.. i'm thinking maybe its the positioning? but, there could be some overhauling needed to do with this.. sorry for posting the sp. sorry for the trouble.. please help me
I have been trying to write a cursor to fetch required data from table but somehow its running forever and inserting duplicate records.
I have a temp table named getInvoice where I have five important columns
1. invoice number
2.group
3.invoice status
4. Invoice Expiration date
5. Creation date time
and some other columns.One invoice number can belong to one or more group and there can be one or more records for a particular invoice number and group.
An example is below :
InvoiceNumber Group InvoiceStatus InvoiceExpirationDate CreationDateTime
579312 01 3 NULL 2003-03-24 00:00:00
579312 01 2 2015-12-14 00:00:00 2005-12-24 00:00:00
579312 02 2 2003-12-21 00:00:00 2005-10-12 00:00:00
321244 01 2 2015-12-21 00:00:00 2005-10-12 00:00:00
321244 01 3 2010-12-21 00:00:00 2010-12-21 00:00:00
My query condition is complex and that is why Im facing problem retrieving the output.I need a cursor for getting distinct invoice number from the table and for each invoice number I need to get the latest record for each invoice number and suffix combination based on creationdateand time column and if that record has invoice status of 2 and also the invoice expiration date can be either null or greater than today's date, then I need to get that record and put it in a temp table.
The query I wrote is below
declare myData cursor for
select distinct invoiceNumber from #getInvoice
declare @invoiceNumber varchar(30)
open myData
fetch next from myData into @invoiceNumber
while @@FETCH_STATUS = 0
[Code] .....
This query runs forever and doesn't stop.
Dear All
I have no idea to write a store procedure or only query to pass a string parameter more than 4000 characters into execute() and return result for FETCH and Cursor.
Here is my query sample for yours to understand.
SET NOCOUNT ON
DECLARE @ITEMCODE int, @ITEMNAME nvarchar(50), @message varchar(80), @qstring varchar(8000)
Set @qstring = 'select itemcode from oitm union
select itemcode from oitm union
select itemcode from oitm union
select itemcode from oitm union
select itemcode from oitm union
select itemcode from oitm union
select itemcode from oitm union
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PRINT '-------- ITEM Products Report --------'
DECLARE ITEM_cursor CURSOR FOR
execute (@qstring)
OPEN ITEM_cursor
FETCH NEXT FROM ITEM_cursor
INTO @ITEMCODE
WHILE @@FETCH_STATUS = 0
BEGIN
PRINT ' '
SELECT @message = '----- Products From ITEM: ' +
@ITEMNAME
PRINT @message
-- Get the next ITEM.
FETCH NEXT FROM ITEM_cursor
INTO @ITEMcode
END
CLOSE ITEM_cursor
DEALLOCATE ITEM_cursor
Why i use @qstring? It is because the query will be changed by different critiera.
Regards
Edmund
We are in the process to upgrading from SQL 7.0 SP1 on a NT 4 EE sp6a active/passive cluster to a SQL 2K SP2 on the same NT 4 EE sp6a active/passive (single instance I think it is called now) cluster.
My question now is about MDAC.
Do I need to upgrade all my clients (W98 SE) that actually have MDAC 2.5 installed to the 2.6 version of the product?
Is there any MS articles that clearly explain this argument?
Thank you in advance.
Best Regards.
Franco
Ive got a question on MDAC and SQL 2000.
We have a SQL Server 7.0 running on NT 4.0 with MDAC 2.1 installed.
We also have a SQL Server 2000 running on Windows 2000 with MDAC 2.6 installed, as well as other instances of 7.0 and 2000.
I am trying to setup Push replication from the box with SQL 7.0 and MDAC 2.1 installed to a 2000 server with MDAC 2.6.
A SQL 7 to 2000 push works if an instance of 7 and 2000 are installed on the same machine. I can push to any remote machine, except for the one server with MDAC 2.1 installed.
Could MDAC be my problem?
Thanks,
Kyle
We have a large project that is importing msado21.tlb. We want to import least msado25.tlb to access the ADODB::_Stream object, but are unsure what exactly this entails. I've noticed no problems testing that change, but I cannot find any changelog for the MDAC upgrade. Is anyone aware of, or can point me to, a list of changes (fixes, modifications, caveats, etc) between MDAC 2.1 and MDAC 2.5? The binary msado file is always much newer, of course, but we want to link with the older type libraries to maintain maximum compatibility.
Any help is appreciated, I'm at a dead end!
In MSDN file I read about static cursor
STATIC
Defines a cursor that makes a temporary copy of the data to be used by the cursor. All requests to the cursor are answered from this temporary table in
tempdb; therefore, modifications made to base tables are not reflected in the data returned by fetches made to this cursor, and this cursor does not allow modifications
It say's that modifications is not allowed in the static cursor. I have a questions regarding that
Static Cursor
declare ll cursor global static
for select name, salary from ag
open ll
fetch from ll
while @@FETCH_STATUS=0
fetch from ll
update ag set salary=200 where 1=1
close ll
deallocate ll
In "AG" table, "SALARY" was 100 for all the entries. When I run the Cursor, it showed the salary value as "100" correctly.After the cursor was closed, I run the query select * from AG.But the result had updated to salary 200 as given in the cursor. file says modifications is not allowed in the static cursor.But I am able to update the data using static cursor.
Hello,I have a test database with table A containing 10,000 rows and a tableB containing 100,000 rows. Rows in B are "children" of rows in A -each row in A has 10 related rows in B (ie. B has a foreign key to A).Using ODBC I am executing the following loop 10,000 times, expressedbelow in pseudo-code:"select * from A order by a_pk option (fast 1)""fetch from A result set""select * from B where where fk_to_a = 'xxx' order by b_pk option(fast 1)""fetch from B result set" repeated 10 timesIn the above psueod-code 'xxx' is the primary key of the current Arow. NOTE: it is not a mistake that we are repeatedly doing the Aquery and retrieving only the first row.When the queries use fast-forward-only cursors this takes about 2.5minutes. When the queries use dynamic cursors this takes about 1 hour.Does anyone know why the dynamic cursor is killing performance?Because of the SQL Server ODBC driver it is not possible to havenested/multiple fast-forward-only cursors, hence I need to exploreother alternatives.I can only assume that a different query plan is getting constructedfor the dynamic cursor case versus the fast forward only cursor, but Ihave no way of finding out what that query plan is.All help appreciated.Kevin
View 1 Replies View RelatedI'm trying to implement a sp_MSforeachsp howvever when I call sp_MSforeach_worker
I get the following error can you please explain this problem to me so I can over come the issue.
Msg 16958, Level 16, State 3, Procedure sp_MSforeach_worker, Line 31
Could not complete cursor operation because the set options have changed since the cursor was declared.
Msg 16958, Level 16, State 3, Procedure sp_MSforeach_worker, Line 32
Could not complete cursor operation because the set options have changed since the cursor was declared.
Msg 16917, Level 16, State 1, Procedure sp_MSforeach_worker, Line 153
Cursor is not open.
here is the stored procedure:
Alter PROCEDURE [dbo].[sp_MSforeachsp]
@command1 nvarchar(2000)
, @replacechar nchar(1) = N'?'
, @command2 nvarchar(2000) = null
, @command3 nvarchar(2000) = null
, @whereand nvarchar(2000) = null
, @precommand nvarchar(2000) = null
, @postcommand nvarchar(2000) = null
AS
/* This procedure belongs in the "master" database so it is acessible to all databases */
/* This proc returns one or more rows for each stored procedure */
/* @precommand and @postcommand may be used to force a single result set via a temp table. */
declare @retval int
if (@precommand is not null) EXECUTE(@precommand)
/* Create the select */
EXECUTE(N'declare hCForEachTable cursor global for
SELECT QUOTENAME(SPECIFIC_SCHEMA)+''.''+QUOTENAME(ROUTINE_NAME)
FROM INFORMATION_SCHEMA.ROUTINES
WHERE ROUTINE_TYPE = ''PROCEDURE''
AND OBJECTPROPERTY(OBJECT_ID(QUOTENAME(SPECIFIC_SCHEMA)+''.''+QUOTENAME(ROUTINE_NAME)), ''IsMSShipped'') = 0 '
+ @whereand)
select @retval = @@error
if (@retval = 0)
EXECUTE @retval = [dbo].sp_MSforeach_worker @command1, @replacechar, @command2, @command3, 0
if (@retval = 0 and @postcommand is not null)
EXECUTE(@postcommand)
RETURN @retval
GO
example useage:
EXEC sp_MSforeachsp @command1="PRINT '?' GRANT EXECUTE ON ? TO [superuser]"
GO
How to find out what version of MDAC is running on the server?
View 1 Replies View RelatedHello guys,
What is the use of MDAC and how to check the version of MDAC.
on any server.
Thank you.
Paul
Hi folks. Got a real doozy going. One of the network techs reinstalled NT4 SP5 on a server. This reverted the SQL driver back to 2.something. Now sqlserveragent jobs will not run.
I have tried to instal MDAC 2.5, but it doesn't change the driver up to the new 3.xxx driver. I searched around on here and folks said that you have to move the MDAC executable to a new directory. for the new MDAC I don't see MDAC.EXE. I did find MDAC.COM and renamed that. Tried to rerun MDAC 2.5 but still got the old SQLSRV32.Dll.
Uninstalled SQLServer and reinstalled. still got the old SQLSRV32.Dll.
Tried to apply SQLServer SP1. It died.
Found that I am to shutdown some services. Did that. SP1 still dies.
Tried to apply SQLSERVER SP2. It tries to pick up where it died and it dies again.
SO, I'm currently uninstalling SQLServer, reboot, installing SQLServer, reboot, Trying SP2 again.
Didn't think that it was brain surgery just to install a new flippin version of the ODBC driver.. SHEEZ!!!!
I'm in a mild-debate with some colleagues of mine.
Can someone shed some light on this for me.
(This is related to a problem we are having with empty recordsets being returned where we know there should be rows returned. I think it could be caused by incorrect/outdated MDAC components.)
We use SQL 7 sp2, and ado DSN'less connection strings.
MSSQL .7.0 SP2
WIN2KPRO
ATI 32mb video
1.3gh AMD
1g Ram
No other apps are affected....my once fast system is slowed to a crawl. 5+gb
free on C 37gb on E and NO apps loaded in systray. NO background processes,
nunca.
I installed MDAC 2.6 on a system to try to correct an OLE error when using
sp_OACreate that causes an ODBC connection broken and shuts down SQL every
other execution.
***** Now, the system is running slow, I tried reinstalling, moving the data
to a single local drive. (No other apps appear to be slowed)
Uninstalled MDAC 2.6 and reverted to 2.5 still slow.
Reinstalling MSSQL 7 and SP2, and MDAC 2.5 still slow...
As an example, when a simple xp_cmdShell 'dir c:mssql7data*data.mdf' the
resulting 10 lines are slowing typed accross the screen. On most systems
the text is refreshed so fast we only see a flicker.
Cleaning the registry still slow... Profiler shows DML and GHost lines that
appear to suck the life out my system, but its only pegged at 2%, like it's
doing something, but what(?)
Tonight I may have to reformat and reload, however I've seen this before and
would really like a clue.
JeffP...
We use mdac 2.7 on all servers and clients
We want to update servers to 2.8
Do we MUST update clints to 2.8 or they
can continue to run with 2.7
Thank you
Alex
Can anyone please help?
How do I find out which MDAC version my pc is running on and how do I update to the latest version??
Thanks in advance!!!
Hi everbody,
How can i found out which version of MDAC version running of my production box.
Regards
Fluvio
What version of MDAC comes with SQL 2000?
View 2 Replies View Related