CE 3.0 Performance Problem Updating A Table.
Oct 19, 2007
Hi folks,
Environment:
We change from SQL Server CE 2.0 to SQL Server CE 3.0, and we got our customer complaining about the performance lost in the process that makes 50 updates in the Pocket PC with windows mobile 5.0.
Our customer says that when they used the SQL Server CE 2.0 the process was quicker.
Process:
We need to do an update to 50 rows every time we lose the focus. Those 50 update are creating a deterioration of performance.
There is any Patch to add to SQL Server CE 3.0? There is any problem updating 50 times on a row losing performance?
Thanks in advance.
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Sep 21, 2006
I am very new to SQL Server 2005. I have created a package to load data from a flat delimited file to a database table. The initial load has worked. However, in the future, I will have flat files used to update the table. Some of the records will need to be inserted and some will need to update existing rows. I am trying to do this from SSIS. However, I am very lost as to how to do this.
Any suggestions?
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Jul 8, 1999
After upgrading to SQL 7 (SP1), we have several SP's that have gone from taking 2-3 min to take 15-20. Each of these SP's creates at least one temp table, inserts into that table, then updates the records in that table. From our research, we can tell that the creation and inserts into the temp tables are fine. It is the updating of these tables that causes the problem. We can observe that the problem is happening by watching the processors go to and stay above 90%. If it were just a few SP's, we could easily fix it and go on, but because of 6.5's limit of 16 tables referenced in a SP, we had to use this method many times. Is there a fix out there for this or a configuration change I can make?
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May 3, 2007
We have updated to SQL Server 2005, let€™s say, in a hurry without thinking or testing. Databases were attached to the new instance of SQL Server 2005. It looked great when I tested it alone but then a new day come and as all users logged into the system we had got a big problem. The response times are very long and users receive time out errors all the time.
A little background:
The instance of SQL Server 2005 is installed on the same server as 2000 was installed on. 2000 has been uninstalled. It is a Xenon 3.2 GHz with 2GB RAM and SCSI raid. Data and logs are on different spins.
Application is an old ASP code and some parts are not optimized at all. But it worked fine on SQL Server 2000.
What could be the problem?
I really don€™t want to downgrade to SQL Server 2000.
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Apr 20, 2005
I have a table that has triggers on insert update and delete. The triggers perform modifications on another table on a remote databased(linked server).
All triggers make a join between the tables inserted, deleted and the remote table.
When running a profile on the remote database it seems that the following query is done on the remote table by the triggers.
"Select * from Database.dbo.Table"
The triggers are the only entities accessing the remote table from the original server so the query must come from them. My only conclusion is that MSSQL server is doing this query for some kind of "optimization".
Has anyone seen this before?
How can I work arond this? The remote table is BIG and this query happening every few seconds in a problem for me.
Thanks
Robert
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Dec 16, 2007
Hello friends,
I am new to the SQL Server 2005 development.
From last 1 week or so, i have been facing very strange problem with my sql server 2005s database
which is configured and set on the hosting web server. Right now for managing my sql server 2005 database,
i am using an web based Control Panel developed by my hosting company.
Problem i am facing is that, whenever i try to modify (i.e. add new columns) tables in the database,
it gives me error saying that,
"There is already an object named 'PK_xxx_Temp' in the database. Could not create constraint. See previous errors.
Source: .Net SqlClient Data Provider".
where xxx is the table name.
I have done quite a bit research on the problem and have also searched on the net for solution but still
the problem persist.
Thanks in advance. Any help will be appreciated.
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Jun 4, 2008
Hi All,
I have a Problem while updating one table data from another table's data using sql server 2000.
I have 2 tables named TableA(PID,SID,MinForms) , TableB(PID,SID,MinForms)
I need to update TableA with TableB's data using a single query that i have including in a stored procedure.
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Jul 30, 2015
If the id1 will change in table1 it should also change the corresponding id1 field in table2 it does not do anything.
CREATE TRIGGER [dbo].[IDCHANGE]
ON [dbo].[table1]
AFTER UPDATE
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
[Code] .....
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Dec 23, 2013
We have two tables with names X and Y.
X has a,b columns. And Y has c,d columns.
I want to update b column in X table with the values from d column in Y table on condition X.a=Y.c.
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Feb 9, 2008
Hi
Im trying to create an update statement which references two tables (join) and has a CASE clause attached. Not sure where im going wrong...
Using T-sql!!!
update import set import.gone =
from import
inner join stat
ON stat.id = import.id
CASE
WHEN stat.A = import.field2 THEN import.gone = sec.A
WHEN stat.B = import.field2 THEN import.gone = sec.B
WHEN stat.C = import.field2 THEN import.gone = sec.C
WHEN stat.D = import.field2 THEN import.gone = sec.D
WHEN stat.E = import.field2 THEN import.gone = sec.E
WHEN stat.F = import.field2 THEN import.gone = sec.F
ELSE import.gone = null
END
Any help would be greatly appreciated
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Oct 19, 2007
I am trying to update a table in one database with data from a temporary table which i created in the tempdb.
I want to update field1 in the table with the tempfield1 from the #temp_table
The code looks something like this:
Use master
UPDATE [dbname].dbo.table
SET [dbname].dbo.table.field1 = [tempdb].dbo.#temp_table.tempfield1
WHERE ( [dbname].dbo.table.field2= [tempdb].dbo.#temp_table.tempfield2
AND [dbname].dbo.table.field3= [tempdb].dbo.#temp_table.tempfield3
AND [dbname].dbo.table.field4= [tempdb].dbo.#temp_table.tempfield4)
I get the following error:
Msg 4104, Level 16, State 1, Line 2
The multi-part identifier "tempdb.dbo.#temp_table.tempfield2" could not be bound.
Msg 4104, Level 16, State 1, Line 2
The multi-part identifier "tempdb.dbo.#temp_table.tempfield3" could not be bound.
Msg 4104, Level 16, State 1, Line 2
The multi-part identifier "tempdb.dbo.#temp_table.tempfield4" could not be bound.
What is wrong?
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Aug 22, 2004
I want to write trigger code to update values in table1 to table2.
ALTER, CREATE, DROP cannot be used in a trigger, I guess.
Tabel1
ID, Name, Asset, Date, Active
---------------------------------
1, A, 10 , 01/08/04 Y
1, B, 16 , 06/08/04 Y
1, C, 12 , 07/08/04 Y
1, D, 13 , 10/08/04 Y
2, E, 10 , 15/08/04 Y
2, F, 11 , 16/08/04 Y
2, Y, 12 , 01/08/04 N
2, G, 15 , 17/08/04 Y
3, H, 13 , 19/08/04 Y
3, I, 15 , 02/08/04 N
Table2 after update
ID, Name1, Asset1, Date1, Name2, Asset2, Date2, Name3, Asset3, Date3, Name4, Asset4, Date4
---------------------------------
1,B,16,06/08/04,D,13,10/08/04,C,12,07/08/04,A,10,01/08/04
2,F,11,16/08/04,E,10,15/08/04,blank,blank, blank..
3,H,13,19/08/04,blank, blank...
As you can see, code must select only active('Y') names in table1 arrange in descending order of asset for each ID and updates(or insert into?)table2.
Please help me with code
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Jan 18, 2006
How do I update a table from another table which resides in a different database but on the same server. Example Update table a which is in database 1 from table b which is database 2. Please help I need this as soon as possible. Thanks in advance to anyone who can help.
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Nov 14, 2006
i have 3 following tables
Accidents, Vehicles, Casualties. the relationship is many vehicles to an accident and many casualties to a an accident.
I have one new table which will contain all the vehicles related to all accidents. however i want to be able put in all casualties that every vehicle is related to..so within the new table, there are three severities of casualties
Vehicledetails
column severity1 severity2 severity3
For every vehicle where there is 0 or more casualties I want to be able put a (total )number for each category of casualty( severity in the VehicleDeatils table ) into the columns in vehicledriverdetails
how can i do this?? i dont want ot have to manually update every single entry one by one...
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Jul 5, 2005
I am trying to update one table with information from another - which became corrupt. The data layout is the same. cand_id below is the key, and thus can only returnb a single value. Any help is most appreciated. Thanks. This is the attempt I took:
update mwm.jf_candidates C
set c.ed_occ = x.ed_occ
from mwm.jf_candidates C, mwm.jf_candidates_corrupt X
where c.cand_id = x.cand_id
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Aug 30, 2004
I know this is probably really obvious but I am trying to insert values into columns into a table if a client exists and I can't for the life of me figure out the syntax. It is something like this:
table A
Client_Id Field 1 Field 2
Insert (Field1) into Table_A
Select field1 from table_B
Where Table_B.Client_Id = Table_A.Client_id
Thanks.
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Jan 13, 2005
Whenever I run this query Iget the following error message. Can anyone tell me why. I get the same error with or without the "Distinct"
Query:
update Clients
set Clients.Siccode = (Select distinct updateSIC.siccode
from updateSIC
where Clients.accountnumber = updateSIC.accountnumber)
Error Message:
Server: Msg 512, Level 16, State 1, Line 1
Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.
The statement has been terminated.
Thanks
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Apr 7, 2004
Ok this may be really simple but I am totally not seeing this at the moment. I have a table and I need to update this table with records from another table but I need all the rows from both tables and those that match.
Table A
ID Data1
A 100
B 200
Table B
ID Data2
B 333
C 345
Results should be
ID Data1 Data2
A 100
B 200 333
C 345
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Oct 19, 2006
When I insert data in my table, it don't update untill I click on the "!" execute button. I need my table to update as sonn as I insert information in there. Could some one tell me how to do this. Thanks.
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Nov 1, 2006
Hi ,
I am very new to this.
I need help updating a table. Here is what I am doing.
I have a table("TransferRequest") that has some records and Date_Transferred field.. Every 10 mins I need to check a view("v_UnTransferred") that checks the untransferred requests from the table and transfer them.
After this process, the Date_Transferred field in the table needs to be updated with the time it was transferred.
Here is my code:
Dim rsSched As New ADODB.Recordset
Dim cmd As New ADODB.Command
rsSched.CursorLocation = adUseClient
rsSched.CursorType = adOpenForwardOnly
rsSched.LockType = adLockReadOnly
rsSched.ActiveConnection = Tconn
rsSched.Source = "SELECT * FROM v_UnTransferred"
rsSched.Open
rsSched.ActiveConnection = Nothing
'''''''The transfer code is here.
cmd.CommandText = "UPDATE TransferRequest SET Date_Transferred = CONVERT(datetime, '" & Now & "', 102)WHERE Date_Transferred IS Null"
cmd.Execute
rsSched.Close
Set rsSched = Nothing
What am I doing wrong?
Thanks for your help
Sherry
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Jan 19, 2007
need some help, I want to replace 422 entries in 2 columes of a table with date from 2 columes of a table from a different data base
example replace the data lname colume of customer table from the test database, using data from the last_name colume of the address table from the stores database
I have limited knowledge on sql scripts
thanks for any help
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Nov 16, 2007
My question is if I cancel a update query when it was running will it rollback and what is the best practice to update a big table.
TX
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Nov 20, 2007
I need to update the data in one table with dat from another.
i have a table called tblclients and a column called intethnicity. I also have a table called tblethnicity. The column in the table intethnicity should be the primary key integer for the corresponding ethnicity. So since most of the clients are caucasian, and the id for caucasian is 4, the intethnicity column should be 4.
Here is the problem:
I have a table of 1300 hundred records and the column intethnicity now has the actual ethnicity in it instead of the corresponding id for the ethnicity. I need a way to update all the records so that the intethnicity column has the id for the corresponding ethnicity, not the actual ethnicity itself.
I know I can go uodate tblcients set intethnicityid =4 where intethnity ='white', but that would take too long.
I need a way to update the column based on the id from the table ethnicity.
Any help would be appreciated.
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Jan 16, 2007
Hi
How do I update my table, that is part of my .sdf database stored on disk?
Can I use databinding with this? Or do i have to use SQL INSERT command?
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Mar 10, 2008
I€™m in the process of rewriting several AbInitio graphs into SSIS and ran into something that I€™m not sure how to handle in SSIS. In AbInitio when you use their update component you can redirect records that aren€™t used in the update command. How would I do the same thing in SSIS?
Right now I€™m using the OLE DB Command component but don€™t see how I can take the records that didn€™t update anything and capture them in a flow out. Any help would be greatly appreciated.
Thanks, Ken..
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Aug 29, 2007
I’m a complete newbie so forgive this question. If i have 2 tables Table 1 has the columns for NNAME, PHNUM, SSN, DOB, JOB, UPDATED however the Job description is emptyTable2 has the columns for SSN and JOB
The question is, how I write an update statement that looks at the SSN in table2 matches it to SSN in table 1 and fills in the job description for that person in table1 and adds yes to the UPDATED field.
I have somewhere in the neighborhood of 25,000 records to update.any help would be greatly appreciated.Thank YouAdam
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Feb 10, 2005
If I have a table with three fields (A, B, C) and 'A' is a primary key, 'B' and 'C' do not have any content and another table with the same number of fields contains the same fields(A, B, C) and the fields do contain data.
I want to populate the first table with the data from the second table where the primary key 'A' is equal.
How would the sql work?
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Dec 23, 2013
We have two tables with names X and Y.
X has a,b columns. And Y has c,d columns.
I want to update b column in X table with the values from d column in Y table on condition X.a=Y.c.
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Jun 6, 2007
Hello all.
I have a temp table called #JOB which i know contains data (i can select from it and it shows about 30 rows). The problem is when i am trying to update another table with the contents of the temp table...........query analyser tells me no rows have been updated.
here is the code i am using:
UPDATE JOB
SET JOB.JOB_REF = #JOB.JOB_REF
FROM #JOB
Does anyone have any ideas where i am going wrong? Cheers in advance.
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Jan 23, 2008
Hi!
What is the difference in performance if I use a Temp-table or a local-table variable in a storedprocedure?
Why?
//Daniel
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Dec 18, 2007
Is there a way to short cut through the fields in a table when updating them or inserting?
ie. I have a table with 78 fields and could grow with time. Is there a way to run the UPDATE or INSERT TO [table](blah....) without listing all the table fields?
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Jun 9, 2005
I'm having a bit of problem putting together a query that will update records in one table from another table. I've got 2 tables lets call them tblA and tblB.In tblA there is EID(int), QID(int), OID(int) and in tblB OID(int) and QID(int). Also there is an input parameter @EID.What I want to have happen is when someone inputs @EID then tblB gets updated from tblA. To give you a heads up there are no PKs or FKs in either of the tables.If there is an OID in tblA it takes the QID from tblA and places it in tblB where OID from tblA and tblB match.Hopefully this makes sense I thought that I could do something like this:CREATE PROCEDURE test3(@EID int)AS UPDATE tblUsedSET QuestionID = (select QuestionID from tblExamQuestions where ExamID = @EID)WHERE OrderID = (select OrderID from tblExamQuestions where ExamID = @EID)GOBut I get an error that says that there are to many records being returned by the subqueries. Winston
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Mar 3, 2006
I have to update a table in my sql database with data exported (csv, txt or xls) from another source. The source data and my table have a matching unique field. The source data may contain records I already have and need to updated with any changed data in the source file or new records that need to be inserted into my sql table.
I am using SQLExpress, SSMSE, ASP.NET 2.0, and VWD Express. I am relatively new to this environment. Can anyone suggest a solution or where I can find a solution?
I could do this when I was building apps in Access.
Thanks
George
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