Going Back Or Forward 1 Record

Jul 12, 2004

Does anyone know how to go back 1 record?

I know how to go forward 1 record:


Code:

SELECT TOP 1 *
FROM MyTable
WHERE [id] > 27
ORDER BY [id]



This will select the record with the id 28, if id 28 does not exist, then it will select the next available id.

however, then I try:


Code:

SELECT TOP 1 *
FROM MyTable
WHERE [id] < 27
ORDER BY [id]



It goes to the very first record in the table, becuase it selecting the TOP 1 record, How do I only go back 1 record, eg. id 26.

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How To Not Auto Generate A Report, How To Use A Null Checkbox On A Param With Available Values, How To Add Back/forward Buttons?

Apr 3, 2008

Hey all,

1) I have a report with many parameters that I want users to be able to pick from. Allow them to pick 1, many or all to build their report dynamically. I'm all set on the TSQL side, but on the Reporting Services side I have to allow each parameter to be null with a default of NULL. In by doing this, the report will auto run, which I do not want to happen. The only resolution I've found thus far was by adding a parameter that does nothing, with a NULL default value. Yet It sticks out like a sore thumb on the report and I want to get rid of it. If I check in "Hidden" in the parameter options, my report errors out stating that the parameter requires a value.

2) Is it possible to have a parameter that has available values from a dataset have a NULL checkbox like those of parameters that do not have available values?


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Hi,
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This is my stored procedure:ALTER PROCEDURE dbo.quote
 
(@Business_Name nvarchar(50),
@Business_Type nvarchar(50),@Contact_Title nchar(10),
@Contact_First_Name nvarchar(50),@Contact_Last_Name nvarchar(50),
@Address_Line_1 nvarchar(MAX),@Address_Line_2 nvarchar(MAX),
@City nvarchar(MAX),@Postcode nchar(7),
@Tel_No nchar(11),@E_mail_Address nvarchar(50),
@Distributor_ID int,@Profile_Class int,
@Meter_Time_Code int,@Line_Loss_Factor int,
@Unique_Identifier1 int,@Unique_Identifier2 int,
@Check_Digit int,@Tariff nchar(20),
@UnitRate1AnnualUsage nchar(10),@UnitRate2AnnualUsage nchar(10),
@UnitRate1SubTotal money,@UnitRate2SubTotal money,
@QuoteTotal money
)
ASINSERT INTO client_details (Business_Name, Business_Type, Contact_Title, Contact_First_Name, Contact_Last_Name, Address_Line_1, Address_Line_2, City, Postcode, Tel_No, email_Address)VALUES (@Business_Name, @Business_Type,@Contact_Title, @Contact_First_Name, @Contact_Last_Name, @Address_Line_1, @Address_Line_2, @City, @Postcode, @Tel_No, @E_mail_Address)
 
DECLARE @Client_ID INTSET @Client_ID = scope_identity()
 INSERT INTO meter_quote (Client_ID, Tariff, Meter_Distributor_ID, Meter_Profile_Class, Meter_Time_Code, Meter_Line_Loss_Factor, Unique_Identifier1, Unique_Identifier2, Check_Digit, UnitRate1AnnualUsage, UnitRate2AnnualUsage, UnitRate1SubTotal, UnitRate2SubTotal, QuoteTotal)VALUES (@Client_ID, @Tariff, @Distributor_ID, @Profile_Class, @Meter_Time_Code, @Line_Loss_Factor, @Unique_Identifier1, @Unique_Identifier2, @Check_Digit, @UnitRate1AnnualUsage, @UnitRate2AnnualUsage, @UnitRate1SubTotal, @UnitRate2SubTotal, @QuoteTotal)
 
RETURN
And this is the code I have in my asp page:<asp:SqlDataSource ID="SqlDataSource3" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
InsertCommand="quote" InsertCommandType="StoredProcedure">
<InsertParameters><asp:ControlParameter ControlID="TextBoxBusinessName" DefaultValue=""
Name="Business_Name" PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="DropDownBusinessType" Name="Business_Type"
PropertyName="SelectedValue" Type="String" /><asp:ControlParameter ControlID="DropDownListTitle" Name="Contact_Title"
PropertyName="SelectedValue" Type="String" /><asp:ControlParameter ControlID="TextBoxFirstName" Name="Contact_First_Name"
PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="TextBoxLastName" Name="Contact_Last_Name"
PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="TextBoxAddressLine1" Name="Address_Line_1"
PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="TextBoxAddressLine2" Name="Address_Line_2"
PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="TextBoxAddressLine3" Name="City"
PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="TextBoxPostcode" Name="Postcode"
PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="TextBoxTelNo" Name="Tel_No"
PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="TextBoxEmail" Name="E_mail_Address"
PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="TextBoxDistributorID" Name="Distributor_ID"
PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="TextBoxProfileClass" Name="Profile_Class"
PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="TextBoxMeterTimeCode" Name="Meter_Time_Code"
PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="TextBoxLineLossFactor" Name="Line_Loss_Factor"
PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="TextBoxUniqueIdentifier1" Name="Unique_Identifier1"
PropertyName="Text" Type="String" /> <asp:ControlParameter ControlID="TextBoxUniqueIdentifier2" Name="Unique_Identifier2"
PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="TextBoxCheckDigit" Name="Check_Digit"
PropertyName="Text" Type="String" /> <asp:ControlParameter ControlID="LabelTariff2" Name="Tariff"
PropertyName="Text" Type="String" /> <asp:ControlParameter ControlID="TextBoxUnitRate1Usage" Name="UnitRate1AnnualUsage"
PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="LabelUnitRate2Usage" Name="UnitRate2AnnualUsage"
PropertyName="Text" Type="String" /><asp:ControlParameter ControlID="LabelUnitRate1Total" Name="UnitRate1SubTotal"
PropertyName="Text" Type="Decimal" /><asp:ControlParameter ControlID="LabelUnitRate2Total" Name="UnitRate2SubTotal"
PropertyName="Text" Type="Decimal" /><asp:ControlParameter ControlID="LabelQuoteTotal" Name="QuoteTotal"
PropertyName="Text" Type="Decimal" />
</InsertParameters>
</asp:SqlDataSource>
And the following in the C# code:
try
{
SqlDataSource3.Insert();//Insert quote details into the database using a stored procedure
}catch (Exception ex)
{LabelInsertException.Text = "Failed" + ex.Message;
}
Any help would be much appreciated
Thanks, Hayley
 
 

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stupid and takes 6 1/2 hours for no apparent reason. Again, it is not happening
the same day either, which could give me something to invesigate. On SS 2000, this same job ran flawlessly. Never I did I run into situation that the
database restoration took that long to run. Even another issue involves a SQL Server Agent Job that was put into suspended
state. What's a suspended state and how can I get it out of suspended
state? I can find no information about suspended state in BOL. I
did a Google and nothing came up. If this suspended state was put
in for security reasons, great, but then tell me how I can remove the suspended
state. I am also not happy with the
fact that I can't get accurate information about the queries that are actively
running at that particular moment. In SS 2000, when I noticed high CPU
usage on the server, I would run the sp_who2 active stored proc and it would
show me all the active thread and how much CPU it was consuming. I would
then find the running threads with the highest CPU numbers and investigate the
query and see if we could improve it. Now in SS 2005, I get in the same
situation and run the sp_who2 stored proc, and there is no smoking gun.
All of the active threads are showing very little CPU usage, which I am very
suspect of. What the heck happen to sp_who2? I looked at some of
the other ways of looking at running processes (i.e... sys.sysprocesses) and
they don't appear to be giving the information that I need.



I am very unhappy and I just want to roll back to SS 2000 and wait a couple of
years before I upgrade to SS 2005.


Dave Brown

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The Remote Copy Of Database X Has Not Been Rolled Forward To A Point In Time That Is Encompassed In The Local Copy

May 11, 2006

Hi,

I set up DB mirror between a primary (SQL1) and a mirror (SQL2); no witness. I have a problem when I issue command:


alter database DBmirrorTest
Set Partner = N'TCP://SQL2.mycom.com:5022';
go


The error message is:

The remote copy of database "DBmirrorTest" has not been rolled forward to a point in time that is encompassed in the local copy of the database log.

I have the steps below prior to the command. (Note that both servers' service accounts use the same domain account. The domain account I login to do db mirror setup is a member of the local admin group.)

1. backup database DBmirrorTest on SQL1

2. backup database log

3. copy db and log backup files to SQL2

4. restore db with norecovery

5. restore log with norecovery

6. create endpoints on both SQL1 and SQL2

CREATE ENDPOINT [Mirroring]

STATE=STARTED

AS TCP (LISTENER_PORT = 5022, LISTENER_IP = ALL)

FOR DATA_MIRRORING (ROLE = PARTNER)

7. enable mirror on mirror server SQL2

:connect SQL2

alter database DBmirrorTest

Set Partner = N'TCP://SQL1.mycom.com:5022';

go

8. Enable mirror on primary server SQL1

:connect SQL1

alter database DBmirrorTest

Set Partner = N'TCP://SQL2.mycom.com:5022';

go

This is where I got the error.

The remote copy of database "DBmirrorTest" has not been rolled forward to a point in time that is encompassed in the local copy



Thanks for any help,

KT

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Dynamic Cursor Versus Forward Only Cursor Gives Poor Performance

Jul 20, 2005

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

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Jul 20, 2005

I have a client who needs to copy an existing sale. The problem isthe Sale is made up of three tables: Sale, SaleEquipment, SaleParts.Each sale can have multiple pieces of equipment with correspondingparts, or parts without equipment. My problem in copying is when I goto copy the parts, how do I get the NEW sale equipment ids updatedcorrectly on their corresponding parts?I can provide more information if necessary.Thank you!!Maria

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Sep 1, 2006

Hi
I have a table with a user column and other columns. User column id the primary key.

I want to create a copy of the record where the user="user1" and insert that copy in the same table in a new created record. But I want the new record to have a value of "user2" in the user column instead of "user1" since it's a primary key

Thanks.

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Ways To Make This Work: Several Selectable Related Record For One Main Record.

Apr 6, 2007

Hey all!



Sorry for the less then descriptive post title but I didn't find a better way to describe it. I'm developing an app in the express editions of VB and SQLserver. The application is a task/resource scheduler. The main form will have a datepicker or weekly overview and show all tasks scheduled per day. The problem is, I've got one or more people assigned to tasks and I wonder what's the best way to design this. Personally, I'd go for one Task table, a People table and a table that provides a link between them (several record per task, one for each person assigned linking TaskID and PplID). However, I don't see a nice way of showing this data to the end user, allowing him to edit/add etc on ONE screen.

To fix that the only way I see is just add columns to the Task table for every person with select boxes. This way everything can be done on one simple screen. This obviously does present some future issues.

On top of this, which people are available on a day varies and there should be an option to allow a user to set who is available on a specific day. Which would lead me to my first idea and add another table that would provide this. but then I'm having design issues again for the form.



I'm kinda stuck atm, can anyone shed some light on this. I'm sure there is an elegant way of doing this but I'm failing at finding it.



Thanks in advance,

Johan

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Apr 7, 2008

Hi,

We're running a Sage CRM install with a SQL Server 2000 database at the back end. We're using the Sage web services API for updating data and a JDBC connection to retrieve data as it's so much quicker.

If I retrieve a record using the JDBC connection and then try and update the same record through the web services, the query times out as if the record is locked for updates. Has anyone experienced anything similar or know what I'm doing wrong? If I just use DriverManager.getConnection() to establish the connection instead of the datasource, and then continue with the same code I don't get these record locking problems. Please find more details below.

Thanks,
Sarah

The JDBC provider for the datasource is a WebSphere embedded ConnectJDBC for SQL Server DataSource, using an implementation type of 'connection pool datasource'. We are using a container managed J2C authentication alias for logging on.

This is running on a Websphere Application Server v6.1.

Code snippet - getting the record thru JDBC:


DataSource wsDataSource = serviceLocator.getDataSource("jdbc/dsSQLServer");
Connection wsCon = wsDataSource.getConnection();


// wsCon.setAutoCommit(false); //have tried with and without this flag - same results

Statements stmt = wsCon.createStatement();


String sql = "SELECT * FROM Person where personID = 12345";
ResultSet rs = stmt.executeQuery(sql);


if(rs.next()){
System.out.println(rs.getString("lastName"));
}

if (rs != null){
rs.close();
}
if (stmt != null) {

stmt.close();
}
if (wsCon != null) {

wsCon.close();
}

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