@@servername Returns NULL Value

Mar 9, 2006

I have a SQL 2005 clustered server which is returning a Null value for @@servername. I find the server entry in sysservers. I have replication configured on this so i am not able to do a Sp_dropserver & sp_addserver as this acts as a publisher. The configured merge repication stopped working because of this issue and I am not able to delete replication as the the delete option uses @@servername which returns a null value. So I am struck in a loop.

Any advice is appreciated.



thanks

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@@servername Returns NULL

Jul 23, 2005

I am trying to script out the creation of database scripts. I am tryingto use @@servername in the statement. I found out the select@@servername returns NULL. I used sp_dropserver to drop any servernamesfirst, restarted SQL, ran sp_addserver 'servername' to add theservername, restarted SQL. select @@servername still returns NULL...Any ideas why this may be happening?Thanks,TGru*** Sent via Developersdex http://www.developersdex.com ***Don't just participate in USENET...get rewarded for it!

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@@SERVERNAME Is NULL

Sep 27, 1999

Hello sir,

I have a probleme with a replication.
I have two servers (serv1 and serv2); when i want to install a replication from serv1 to serv2, i receive this message:
1->2:Replication cannot be installed as @@SERVERNAME is NULL.

from serv2 to serv1; I receive this message:
2->1:If Replication is uninstalled, all publications will be
eliminated and the distribution database[if it exist]will be
dropped. After the process has completed, this session will be
disconnected from the SQL Server. Do you want to unistall
replication?

Please advice me..

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@@servername Is NULL

Oct 19, 1998

On one of my SQL Servers I have noticed the @@servername to be NULL.

Any Idea how to give it back the original value. Simple
>> SELECT @@servername = `MY_SERVER_NAME` will not work since I can not update the global variable

This prevents from instaling publishing on that server, among other concerns for the overall stability of the server.

Help appreciated,

Bojan

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@@servername Returning NULL

Mar 9, 2006

I have a SQL 2005 clustered server which is returning a Null value for @@servername. I find the server entry in sysservers. I have replication configured on this so i am not able to do a Sp_dropserver & sp_addserver as this acts as a publisher. The configured merge repication stopped working because of this issue and I am not able to delete replication as the the delete option uses @@servername which returns a null value. So I am struck in a loop.

Any advice is appreciated.



thanks

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Upgrade Wizard @@servername = Null

Nov 22, 1999

Attempting Upgrade Wizard on PDC, SERVER1 NT4.0 sp5 SQLS6.5 sp5a

Master.db Syservers has 2 entries
1 SERVER1 SERVER1 ###s ###s - the PDC
2 SERVER2 SERVER2 null null - the SDC

when use sp_addserver, local get duplicate warning
when use sp_addserver, local, duplicates_ok completes (but no changes)

Is problem index associated with SERVER1 should be 0 not 1 ?
If so, would simply UPDATEing index from 1 to 0 fix problem ?

Thanks in advance

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How Do U Fix @@servername = NULL Without Restart SQL Server ?

Apr 27, 2004

@@servername sometimes returns NULL depending on how you have been messing around with replication and various other settings.

The simple solution offered to fix this is to delete the entries in the system tables and sp_addserver 'servername','local' and then restart the SQL service.

This is fine but what do you do in the situation where the SQL server is a 24/7 production box ? Does anyone know of a method / hack to fix this without stopping the service ?

Thanks

s

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May 3, 2006

Hello.

I've built a sample CLR function with the following declaration....

CREATE FUNCTION GetManager(@DeptCode nvarchar(3))
RETURNS nvarchar(1000)
WITH RETURNS NULL ON NULL INPUT
AS
EXTERNAL NAME Assembly1.[ClassLibrary1.MyVBClass].MyManager

And it works as expected, except when I use NULL:

DECLARE @MyManager nvarchar(1000)
EXEC @MyManager = dbo.GetManager NULL
PRINT @MyManager

It returns the value "Unknown" as it would have for any unknown DeptCode, as-programmed.

I'm of the theory it should have returned NULL without actually firing the function? Or is this only for non-CLR items... or stored procedures, not functions?

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Returns A NULL Value

Oct 9, 2014

I havethe following query which returns one row of data, however, the MedicalcodeID is NULL.

SELECT db1.dbo.Referral.ReferralGuidDigest, dbo.patient.PatientID, dbo.Consultation.ConsultationID, dbo.Staff.StaffID,
db1.dbo.Referral.EffectiveDateTime AS EventDate, db1.dbo.Referral.Status AS ReferralStatus, db1.dbo.Referral.Mode AS ReferralMode,
db1.dbo.Referral.ServiceType, db1.dbo.Referral.Urgency, db1.dbo.Referral.Direction, db1.dbo.Referral.Transport,
db1.dbo.Referral.EndedDate, db1.dbo.Referral.ReceivedDate, dbo.lkupMedical.MedicalCodeID, db1.dbo.Referral.Term,

[code]...

It is clear from teh above - that the expected MedicalCodeID = 33959 and NOT NULL. I dont understand why SQL added the COLLATE SQL_Latin1_General_CP1_CS_AS to the query - am working on a database developed by another person. Could it be the ACode and ReadCode in dbo.lkupMedical is not set up with SQL_Latin1_General_CP1_CS_AS. How to implement to LkupMedical table....

I changed HIGHLIGHTED JOIN to Inner/Right but it never yielded any results, no record found..

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Select Sum() Returns Null

Jan 21, 2004

hi,

i have the following query to sum the total due balance for a customer:

select sum(outstanding)from out where customer = 'myvariable' the problem is when the customer has no outstanding it returns NULL is there a way to return 0 when there are no outstanding?

thanks

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ExecuteScalar Returns Null

Oct 25, 2006

I am using the following C# code and T-SQL to get result object from aSQL Server database. When my application runs, the ExecuteScalarreturns "10/24/2006 2:00:00 PM" if inserting a duplicated record. Itreturns null for all other conditions. Does anyone know why? Doesanyone know how to get the output value? Thanks.------ C# -----aryParams = {'10/24/2006 2pm', '10/26/2006 3pm', 2821077, null};object oRtnObject = null;StoredProcCommandWrapper =myDb.GetStoredProcCommandWrapper(strStoredProcName ,aryParams);oRtnObject = myDb.ExecuteScalar(StoredProcCommandWrapper);------ T-SQL ---ALTER PROCEDURE [dbo].[procmyCalendarInsert]@pBegin datetime,@pEnd datetime,@pUserId int,@pOutput varchar(200) outputASBEGINSET NOCOUNT ON;select * from myCalendarwhere beginTime >= @pBegin and endTime <= @pEnd and userId = @pUserIdif @@rowcount <0beginprint 'Path 1'set @pOutput = 'Duplicated reservation'select @pOutput as 'Result'return -1endelsebeginprint 'Path 2'-- check if upperlimit (2) is reachedselect rtrim(cast(beginTime as varchar(30))) + ', ' +rtrim(cast(endTime as varchar(30))),count(rtrim(cast(beginTime as varchar(30))) + ', ' +rtrim(cast(endTime as varchar(30))))from myCalendargroup by rtrim(cast(beginTime as varchar(30))) + ', ' +rtrim(cast(endTime as varchar(30)))having count(rtrim(cast(beginTime as varchar(30))) + ', ' +rtrim(cast(endTime as varchar(30)))) =2and (rtrim(cast(beginTime as varchar(30))) + ', ' +rtrim(cast(endTime as varchar(30))) =rtrim(cast(@pBegin as varchar(20)))+ ', ' + rtrim(cast(@pEnd asvarchar(20))))-- If the @@rowcount is not equal to 0 then-- at the time between @pBegin and @pEnd the maximum count of 2 isreachedif @@rowcount <0beginprint 'Path 3'set @pOutput = '2 reservations are already taken for the hours'select @pOutput as 'Result'return -1endelsebeginprint 'Path 4'--safe to insertinsert dbo.myCalendar(beginTime, endTime,userId)values (@pBegin, @pEnd, @pUserId)if @@error = 0beginprint 'Path 4:1 @@error=' + cast(@@error as varchar(1))print 'Path 4:1 @@rowcount=' + cast(@@rowcount as varchar(1))set @pOutput = 'Reservation succeeded'select @pOutput as 'Result'return 0endelsebeginprint 'Path 4:2 @@rowcount=' + cast(@@rowcount as varchar(1))set @pOutput = 'Failed to make reservation'select @pOutput as 'Result'return -1endendendEND

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AcquireConnection Returns Null Value

Mar 18, 2007

I have the following code in my custom source component's AcquireConnection method -

if (ComponentMetaData.RuntimeConnectionCollection[0].ConnectionManager != null)

{

ConnectionManager cm = Microsoft.SqlServer.Dts.Runtime.DtsConvert.ToConnectionManager(ComponentMetaData.RuntimeConnectionCollection[0].ConnectionManager);

ConnectionManagerAdoNet cmado = cm.InnerObject as ConnectionManagerAdoNet;

if (cmado == null)

throw new Exception("The ConnectionManager " + cm.Name + " is not an ADO.NET connection.");

// Get the underlying connection object.
this.oledbConnection = cmado.AcquireConnection(transaction) as OleDbConnection;

if (oledbConnection == null)

throw new Exception("The ConnectionManager is not an ADO.NET connection.");

isConnected = true;

}

The value of oledbConnection is null.

I am trying to invoke the above method within a package that I am trying to create dynamically. Any help ?

private const string ADONETConnectionString = "Provider=SQLOLEDB.1;Data Source={0};Initial Catalog={1};Integrated Security=True;";

ConnectionManager PubTRCM = package.Connections.Add("ADO.NET:OLEDB");

PubTRCM.Name = "PubTR";

PubTRCM.ConnectionString = String.Format(ADONETConnectionString, paramPubServer, paramPubTRDB);

#region Create OLEDB Source Component

//Create a OLEDB Source Component
IDTSComponentMetaData90 Source = dataFlow.ComponentMetaDataCollection.New();
Source.Name = "OLEDBSource";

Source.ComponentClassID = typeof(Microsoft.Samples.SqlServer.Dts.AdoSourceSample).AssemblyQualifiedName;

//Get the design time instance of the source
CManagedComponentWrapper SourceDesignTime = Source.Instantiate();

//Initialize the component
SourceDesignTime.ProvideComponentProperties();

if (Source.RuntimeConnectionCollection.Count > 0)
{
Source.RuntimeConnectionCollection[0].ConnectionManagerID = PubTRCM.ID;
Source.RuntimeConnectionCollection[0].ConnectionManager = DtsConvert.ToConnectionManager90(PubTRCM);
}

SourceDesignTime.SetComponentProperty("SqlStatement", "Select PlantId from PlantDim");

//Reinitialize the metadata
SourceDesignTime.AcquireConnections(null);
SourceDesignTime.ReinitializeMetaData();
SourceDesignTime.ReleaseConnections();

#endregion

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AcquireConnection Returns Null

May 15, 2006

Hi,

we are facing some issue to get the underlying OledbConnection from the runtime ConnectionManager.

below is the code sample that we are using

IDtsConnectionService conService = (IDtsConnectionService)this.serviceProvider.GetService(typeof(IDtsConnectionService));

if (conService == null)

return;

ArrayList conCollection = conService.GetConnectionsOfType("OLEDB");

for (int count = 0; count < conCollection.Count; count++)

{

string conName = ((ConnectionManager)conCollection[count]).Name;

if (conName == conMgrname)

{

conMgr = DtsConvert.ToConnectionManager90((ConnectionManager)conCollection[count]);

ConnectionManager cm = DtsConvert.ToConnectionManager(conMgr);

Microsoft.SqlServer.Dts.Runtime.Wrapper.ConnectionManagerAdoNet cmado = cm.InnerObject as Microsoft.SqlServer.Dts.Runtime.Wrapper.ConnectionManagerAdoNet;

OleDbConnection conn= cmado.AcquireConnection(null) as OleDbConnection;

}

}

In the sample above the conn is null.



To this query Darren replied to use the connection of type ADO.NET:System.Data.OleDb.OleDbConnection, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 to create the connection.

Your call to GetConnectionsOfType("OLEDB"); will return native OLE-DB connections, not ADO.NET connections, using the OleDbConnection.

The connection type for the ADo>NET OLE-DB connection is -

ADO.NET:System.Data.OleDb.OleDbConnection, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089


but if user creates an New OLEDB Connection from the Connection Manager panel of the BIDS and selects the same from the custom UI how to get the underlying OLEDBConnection? the CreationName in this case is "OLEDB" and not ADO.NET:System.Data.OleDb.OleDbConnection, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089.

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Decrypting Returns A NULL Value

Apr 26, 2007













I find it weird when decrypting a column from a baked up database and restoring it to another database. Here's the scenario:

Server1 has Database1.
Database1 has Table1 with two columns encyrpted -- Card Number and SS Number
Encryption and decryption in this Database1 is perfectly fine. Records are encrypted and can be decrypted too.
Now, I tried to backup this Database1 and restore it to another server with SQL 2005 instance called Server2. Of course the columns Card and SS Numbers were encrypted. I tried decrypting the columns using the same command to decrypt in Database1, however, it returns a NULL value


Here's exactly what I did to create the encyprtion and decryption keys on the restored database:
-- Create the master key encryption
CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'myMasterPassword'

-- Create a symetric key
CREATE SYMMETRIC KEY myKey WITH ALGORITHM = DES
ENCRYPTION BY Password='myPassword';
Go

-- Create Card Certificate
CREATE CERTIFICATE myCert WITH SUBJECT = 'My Certificate on this Server';
GO

-- Change symmetric key
OPEN SYMMETRIC KEY myKey DECRYPTION BY PASSWORD = 'myPassword';

-- I then verified if the key is opened
SELECT * FROM sys.openkeys




If I create a new database, say Database2 from that Server2, create table, master key, certificate, and symmetric key. Encrpytion and decryption on Database2 will work!




Any suggestions gurus? I tried all searches and help for almost 2 weeks regarding this issue but nobody could resolve this.

Thanks in advance!



faiga16



3 Posts

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Concatenated Column Returns Null

Mar 7, 2008

Hi folks,I have an issue with a column I created in my query called Instance.SELECT Object_Id, Event_type, Audience, Subject, Provider, Academic_Year, Start_date, End_date, CONVERT(varchar, Academic_Year) + ' (' + CONVERT(varchar, Start_date, 103) + ') : ' + Event_type AS InstanceFROM EventsORDER BY Event_type Above is my query. The problem is because the start date column can be null, it also returns the Instance column as null for that row.I thought it would have just missed out the date and display the rest, but it doesn't.Is there any way I could get the Instance column to display a value, when the start date is null?ThanksEdit: Managed to sort it using ISNULL()

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Scheduledefinition.Item Returns Always Null

Jan 4, 2007

Hi All,

I have a built an application to manage the report-subscription on my ReportServer.
I'm having some troubles with retrieving the subscription properties.


My problem:
I can retrieve all my propertie except the schedule definition, when I deserialize it, the Sceduledefenition.Item always returns null.

I use the next code to deserialize it:
//////////////////////////////////////////////////////////////////////////////////////////////////////
private XmlAttributeOverrides GetSchedule()
{
XmlAttributeOverrides xmlAttrOverride = new XmlAttributeOverrides();
XmlAttributes XmlAttr = new XmlAttributes();
XmlAttr.Xmlns = false;
xmlAttrOverride.Add(typeof(ScheduleDefinition), XmlAttr);
xmlAttrOverride.Add(typeof(MinuteRecurrence), XmlAttr);
xmlAttrOverride.Add(typeof(DailyRecurrence), XmlAttr);
xmlAttrOverride.Add(typeof(WeeklyRecurrence), XmlAttr);
xmlAttrOverride.Add(typeof(MonthlyRecurrence), XmlAttr);
xmlAttrOverride.Add(typeof(MonthlyDOWRecurrence), XmlAttr);
xmlAttrOverride.Add(typeof(DaysOfWeekSelector), XmlAttr);
xmlAttrOverride.Add(typeof(MonthsOfYearSelector), XmlAttr);
return xmlAttrOverride;
}

private ScheduleDefinition DeserializeScheduleDefenition(string MatchData)
{
XmlAttributeOverrides xmlAttrOverride = GetSchedule();
XmlSerializer ser = new XmlSerializer(typeof(ScheduleDefinition),xmlAttrOverride);
Stream stream = new MemoryStream(System.Text.Encoding.Default.GetBytes(MatchData));
stream.Position = 0;
return (ScheduleDefinition)ser.Deserialize(stream);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

I'have tried almost everything, but could not find the solution.

Please, this is very important for me, so every tip or shared thought could be very helpfull.



Thnx in advance

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Computed Column Returns Null

Nov 16, 2007

How do you prevent SQL from returning a null value for a computed column?

The following formula returns blank if any of the values are blank ... pftitle allows nulls, the other two are required on Insert.

(((([pflastname]+', ')+[pffirstname])+' - ')+[pftitle])

Where can I find the documentation of computed field operators and expressions?

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ISNULL With Logical AND Returns Null

Oct 22, 2006

Im having some unexpected results from combining ISNULL with logical and '&&' and conditions '?:' in derived columns.

This works and returns A or B.
(ISNULL(Col1) && Col2 == "X") ? "A" : "B"

This fails returning Null when Col1 is null
(Col2 == "X" && ISNULL(Col1)) ? "A" : "B"

This fails returning null when Col1 is null
(ISNULL(Col1) && Col2 == "X") ? "A" : (ISNULL(Col1) && Col2 == "Y") ? "B" : "C"

I've applied service pack one and still have the issue. I've also tried using ISNULL in a condion like (ISNULL(Col1) ? TRUE : FALSE)

Anyone else seen this behavior?

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Parameterized Query Returns One Row With Null Values.

Jul 28, 2006

I am hoping someone could help me understand why this is happening and perhaps a solution.
I am using ASP.NET 2.0 with a SQL 2005 database.
In code behind, I am performing a query using a parameter as below:
sql = "SELECT field_name FROM myTable WHERE (field_name = @P1)"
objCommand.Parameters.Add(New SqlParameter("@P1", TextBox1.Text))
The parameter is obtained from TextBox1 which has valid input. However, the value is not in the table. The query should not return ANY results. However, I am getting one single row back with null values for each field requested in the query.
The SQL user account for this query has select, insert, and update permissions on the table. The query is simple, no joins, and the table has no null values in any fields. If I perform the exact same query using an account with select only permission on the table, I get what I was expecting, no records. Then if I go back to the previous user account with more permissioins, and I change the query to pass the paramter this way:
sql = String.Format("SELECT field_name FROM myTable WHERE (field_name = {0})", TextBox1.Text)
I also get NO records retuned using the same criteria.
What is going on here? I would prefer to use the parameterized query method with the account having elevated permissions. Is there some command object setting that can prevent the null row from returning?
Thanks!

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Mar 10, 2004

If I query sql server I get 10 results. But when I use if (myReader.Read()) I get only 7 results. I found that there was a Null field in the DB. I changed it and it worked.
The problem is I don't want to touch the database and set all null fields. There must be a way to get all results including the Null using sqlDataReader so that if (myReader.Read()) is used it does the right comparison.


// This code is called 10 times with a select * from where item="xxx"
P21Conn.Open();

SqlDataReader myReader = cmd.ExecuteReader();

if (myReader.Read()) {

thanks
Rod

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ExecuteScalar Returns 0 (null) But INSERT Is Successful.

Sep 25, 2007



I have code that has worked just fine for some time, and now all of the sudden I am having an issue. I have a simple INSERT statement built and then make the following call:


RecordID = cmd.ExecuteScalar


I have never had a problem with this before. The RecordID of the newly inserted record is returned into the RecordID Integer varibale. All of the sudden, the varibale has a value of 0 (null I assume is being returned), but yet the INSERT worked just fine. I can check the table in SQL and it is populated with no issues.

No exception is thrown of any type or anything. Does anybody know what may be happening?

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EncryptByKey DecryptByKey Occasionally Returns Null

Jan 21, 2008

The DecryptByKey function occasionally returns null even though the EncryptByKey function retuned a non-null value. The problem only occurs for a subset of rows returned by a single select and every time the script is executed, a different set of rows is affected by the problem. Occasionally all fields get encrypted/decrypted successfully, but this is rare.

It seems that the EncryptByKey function occasionally returns a value that can not be decrypted at a later point in time.

I am running on Windows XP Professional SP 2 with SQL Server 9.0.3042.

I have included a sample of the code below.

Thank you,
Mike

CREATE FUNCTION [dbo].[encrypt_text]
(
@input_text varchar(255)
)
RETURNS varbinary(8000)
AS
BEGIN
RETURN EncryptByKey(Key_GUID('eia_key'), @input_text)
END



CREATE FUNCTION decrypt_text
(
@input_text varbinary(8000)
)
RETURNS varchar(255)
AS
BEGIN
return convert(varchar(255),DecryptByKey(@input_text))

END



IF EXISTS (SELECT * FROM sys.symmetric_keys WHERE name = N'eia_key')

DROP SYMMETRIC KEY eia_key


CREATE SYMMETRIC KEY eia_key

WITH ALGORITHM = DES

ENCRYPTION BY PASSWORD = '???'


OPEN SYMMETRIC KEY eia_key DECRYPTION BY PASSWORD = '???'


execute util_print 'Deleting data'

execute ld_delete_lips_data

execute util_print 'Loading data'



set nocount on

insert into maturities (maturity_id, maturity_name, minimum_maturity, maximum_maturity)

values (1, 'TERM', 0, 0)

insert into maturities (maturity_id, maturity_name, minimum_maturity, maximum_maturity)

values (2, '0 - 2', 0, 2)

insert into maturities (maturity_id, maturity_name, minimum_maturity, maximum_maturity)

values (3, '2 - 5', 2, 5)

insert into maturities (maturity_id, maturity_name, minimum_maturity, maximum_maturity)

values (4, '5 - 10', 5, 10)

insert into maturities (maturity_id, maturity_name, minimum_maturity, maximum_maturity)

values (5, '10+', 10, null)

insert into forecast_horizons (forecast_horizon_id, forecast_horizon_name, forecast_horizon_alias)

values (1, dbo.encrypt_text('3 Month'), dbo.encrypt_text('Blended'))

insert into forecast_horizons (forecast_horizon_id, forecast_horizon_name, forecast_horizon_alias)

values (2, dbo.encrypt_text('1 Year'), dbo.encrypt_text('Fundamental'))

insert into forecast_horizons (forecast_horizon_id, forecast_horizon_name, forecast_horizon_alias)

values (3, dbo.encrypt_text('Technical'), dbo.encrypt_text('Technical'))



insert into forecast_levels (forecast_level_id, forecast_level_name)

values (1, dbo.encrypt_text('Low'))

insert into forecast_levels (forecast_level_id, forecast_level_name)

values (2, dbo.encrypt_text('Median'))

insert into forecast_levels (forecast_level_id, forecast_level_name)

values (3, dbo.encrypt_text('High'))



execute util_reseed_ident 'asset_classes', 0

execute util_execute_sql 'insert into asset_classes default values', 11

insert into sectors (sector_id, sector_name)

values (1, dbo.encrypt_text('Sovereign'))

insert into sectors (sector_id, sector_name)

values (2, dbo.encrypt_text('Inflation Linked'))

insert into sectors (sector_id, sector_name)

values (3, dbo.encrypt_text('Quasi & Foreign Government'))

insert into sectors (sector_id, sector_name)

values (4, dbo.encrypt_text('Securitized/Collateralized'))

insert into sectors (sector_id, sector_name)

values (5, dbo.encrypt_text('Corporate'))

insert into credit_ratings (credit_rating_id, credit_rating_name)

values (6, dbo.encrypt_text('AAA'))

insert into credit_ratings (credit_rating_id, credit_rating_name)

values (7, dbo.encrypt_text('AA'))

insert into credit_ratings (credit_rating_id, credit_rating_name)

values (8, dbo.encrypt_text('A'))

insert into credit_ratings (credit_rating_id, credit_rating_name)

values (9, dbo.encrypt_text('BBB'))

insert into sectors (sector_id, sector_name)

values (10, dbo.encrypt_text('High Yield'))

insert into sectors (sector_id, sector_name)

values (11, dbo.encrypt_text('Emerging Debt'))



set nocount off

insert into currencies (currency_id, currency_name, currency_code)

select CurrencyID, dbo.encrypt_text(CurrencyName), dbo.encrypt_text(CurrencyCode)

from lips_import..Currencies

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Apr 11, 2008

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If the value in the column is not null everything works great, but if the value is null, instead of getting a value of "" which I expect, I get the column name??? In this case "column_from_ThisTable"
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DECLARE @x xml

DECLARE @a nvarchar(400);

DECLARE @b nvarchar(400);

DECLARE @c nvarchar(400);

SET @x=N'<SuchKriterienDataSet xmlns="http://tempuri.org/SuchKriterienDataSet.xsd">

<SuchKriterien><Index>0</Index><Name>a</Name><Wert>Test1</Wert><Bedingung>0</Bedingung></SuchKriterien>

<SuchKriterien><Index>1</Index><Name>b</Name><Wert>Test2</Wert><Bedingung>0</Bedingung></SuchKriterien>

<SuchKriterien><Index>2</Index><Name>c</Name><Wert>Test3</Wert><Bedingung>0</Bedingung></SuchKriterien>

</SuchKriterienDataSet>';

WITH XMLNAMESPACES ('http://tempuri.org/SuchKriterienDataSet.xsd' AS ds)

SELECT

@a=@x.value('(/dsuchKriterienDataSet/dsuchKriterien/ds:Wert[../ds:Name = "a"])[1]','nvarchar(400)'),

@b=@x.value('(/dsuchkriterienDataSet/dsuchkriterien/ds:Wert[../ds:Name = "b"])[1]','nvarchar(400)'),

@c=@x.value('(/dsuchKriterienDataSet/dsuchKriterien/ds:Wert[../ds:Name = "c"])[1]','nvarchar(400)');

WITH XMLNAMESPACES ('http://tempuri.org/SuchKriterienDataSet.xsd' AS ds)

SELECT

@x.value('(/dsuchKriterienDataSet/dsuchKriterien/ds:Wert[../ds:Name = "a"])[1]','nvarchar(400)'),

@x.value('(/dsuchKriterienDataSet/dsuchKriterien/ds:Wert[../ds:Name = "b"])[1]','nvarchar(400)'),

@x.value('(/dsuchKriterienDataSet/dsuchKriterien/ds:Wert[../ds:Name = "c"])[1]','nvarchar(400)')

UNION ALL

SELECT @a,@b,@c



returns



Test1 Test2 Test3

Test1 NULL Test3



instead of



Test1 Test2 Test3

Test1 Test2 Test3



This is the shortest repro I could assemble. Once you increase the number of variables, a random pattern of dropped values emerges.



I could repro on fully patched Windows XP German w/ SSEE ENU and Windows Server 2003 64-bit w/ SSEE GER.



Any workaround highly appreciated.

Thx,

Henry

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Hi all I am having some issues in selecting items from my database where the record is NOT NULL. I have the code below however although some fields do contain soem data in it, others are blank which I believe are empty spaces. How do I do a SELECT command which ignores empty spaces and NULLS?





Code Snippet

SELECT CustomSearch FROM OfficesTable WHERE CustomSearch IS NOT NULL
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Hi

I have stupid users... who doesn't?! They have entered carriage returns as a whole value in some fields, that is, the field contains nothing more than a carriage return.

I really need to treat these cases as nulls and have successfully removed whole fields of nothing but spaces by using the LTRIM(RTRIM()) construct. Unfortunately, this doesn't deal with carraige returns. Even CASTing and CONVERTing to varchar and then using LTRIM(RTRIM()) doesn't work.

Does anyone know how I can elegantly get around this problem other than my best guess below:

Best guess pseudo code:
IF count of field is greater than 1 THEN probably a full sentence so ignore ELSE SUBSTRING first character and if CHAR(10, etc) then treat as NULL.

Here's some code that reconstructs the problem:
select datalength(char(13)) CarriageReturnVisible
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Cheers - Andy

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Feb 27, 2008



Hi

I have explicitly used
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After that i restarted the sql server service. After that, when i used the query

select @@servername, it is returning NULL.
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Can i know as why this behavior is exhibited for the same property of finding servername?

Thanks!

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Sep 20, 2006

Hey. I need to substitute a value from a table if the input var is null. This is fine if the value coming from table is not null. But, it the table value is also null, it doesn't work. The problem I'm getting is in the isnull line which is in Dark green color because @inFileVersion is set to null explicitly and when the isnull function evaluates, value returned from DR.FileVersion is also null which is correct. I want the null=null to return true which is why i set ansi_nulls off. But it doesn't return anything. And the select statement should return something but in my case it returns null. If I comment the isnull statements in the where clause, everything works fine. Please tell me what am I doing wrong. Is it possible to do this without setting the ansi_nulls to off??? Thank you

set ansi_nulls off


go

declare

@inFileName VARCHAR (100),

@inFileSize INT,

@Id int,

@inlanguageid INT,

@inFileVersion VARCHAR (100),

@ExeState int

set @inFileName = 'A0006337.EXE'

set @inFileSize = 28796

set @Id= 1

set @inlanguageid =null

set @inFileVersion =NULL

set @ExeState =0

select Dr.StateID from table1 dR

where

DR.[FileName] = @inFileName

AND DR.FileSize =@inFileSize

AND DR.FileVersion = isnull(@inFileVersion,DR.FileVersion)

AND DR.languageid = isnull(@inlanguageid,null)

AND DR.[ID]= @ID

)

go

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Folks !!

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For some reason, i can't get the name of the server !!1

Any Thoughts


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