Dear all here:
I have a question about the cluster mining result.
In the discrimination tab shows the different between group 1 and group 2.
I just wonder how to calculate the discremination scores.
Do any expertise can answer the question?
Regards!
Jerry
I have formed clusters on a data set using the default clustering algorithm and parameters with the exception of CLUSTER_COUNT which is set to 0. Eleven clusters formed. When examining the Cluster Discrimination tab to compare clusters with their complements, several of the screens are empty. For example, when comparing cluster 5 with it's complement, there are no variables, no values and no bars respresenting score. This happens for 3 of the 11 clusters formed. Any thoughts?
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I'm trying to use the result set from this kind of dmx query running in SQL Management Studio 2005:
CALL System.Microsoft.AnalysisServices.System.DataMining.Clustering.GetClusterDiscrimination('Clustering1','001','',0.0005,true)
However, I can't seem to get access to the data. For example, I get errors if I try something like
select into #ttt
CALL System.Microsoft.AnalysisServices.System.DataMining.Clustering.GetClusterDiscrimination('Clustering1','001','',0.0005,true)
where Attributes = 'Task Dur'
or
DECLARE @myTableVar TABLE (
myAttributes text,
myValues text,
myScore double
)
SET @myTableVar = CALL System.Microsoft.AnalysisServices.System.DataMining.Clustering.GetClusterDiscrimination('Clustering1','001','',0.0005,true)
select * from @myTableVar
Thanks for any pointers!
I am trying to interpret some of the results I observe when trying to match similar records using a fuzzy lookup transform, but it's not entirely clear how the overall row similarity score is calculated. In particular, sometimes rows with lower individual column similarity scores will achieve a higher similarity and confidence score than a matching row with higher individual column scores.
The transform is configured with 6 text fields set to fuzzy mapping and a minimum similarity of 0, and 3 additional numeric fields with an exact mapping. It is set to return a maximum of 2 matches per lookup and to do an exhaustive search of the reference table.
For example, from the following matching pair of records Match 1 is picked over Match 2 even though it's individual scores are lower.
Match 1 Match 2
----------------- -----------------
_similarity_author 1.0 1.0
_similarity_title 0.85344648 1.0
_similarity_headline 0.0125 0.0125
_similarity_summary 0.0125 0.0125
_similarity_picture 1.0 1.0
_similarity_caption 1.0 1.0
_similarity 7.8429267E-2 7.3196657E-2
_confidence 0.55728668 0.44271332
In another case both matching records have *identical* scores for every mapped column and yet their similarity and confidence scores are different.
Clearly there are other factors involved in calculating the overall row score. Anybody know what these are?
Fernando Tubio
I have a database that holds student details in one table and their scores in particular subjects in another. The tables are linked through ID. The subjects table looks like this. (example)
ID Sub1 Sub2 Sub3 Sub4 etc
1 2 4 2 6
2 5 5 1 3
3 7 4 2 5
etc
What I need to do is return a students details followed by their top 10 subjects in ascending order.
Student 1's results would look like this...
Student 1
details
Sub1 2
Sub3 2
Sub2 4
Sub4 6
This is driving me insane. Please help.
I have surveys that I need to add weights to and was wondering if there was a way to convert the contents of a column.
select empid, ans_for_ql,
(if ans_for_ql = A then 0, B then 3, C then 5) as weightscore,
ans_for_q2,
(if ans_for_q2 = A then 8, B then 4, C then 2, D then 1, E then 0) as weightscore
Here is what the table looks like:
empid | Ans_for_Q1 | Ans_for_Q2
1001 A C
1002 B E
And these are the possible answers and what they need to be converted to:
Weights for answers to Question1
Q1_A = 0
Q1_B = 3
Q1_C = 5
Weights for answers to Question2
Q2_A = 8
Q2_B = 4
Q2_C = 2
Q2_D = 1
Q2_E = 0
I am trying to build a query where I want to extract the sum of the scores for each code MCC and get the percentage over the sum of all the scores over the last 90 days
select MCC, sum(score) as total from scores
(select Datediff(day, creationdate, getdate()) as Q from scores
where Datediff(day, creationdate, getdate()) <90)
group by MCC
TABLE
ID creationdate score MCC
1 2014-08-02 30 7422
. . . .
. . . .
. . . .
I am stumped on a set-based approach for this one.
A cursor approach is straightforward enough, but i want to avoid that.
Here's my table:
create table StudentScores
(
id int primary key identity(1,1),
student_id int not null,
score int not null
)
with some sample data:
insert into StudentScores (student_id, score)
select 1, 10 union all
select 1, 29 union all
select 1, 50 union all
select 1, 53 union all
select 1, 45 union all
select 1, 10 union all
select 1, 29 union all
select 1, 50 union all
select 1, 53 union all
select 1, 45 union all
select 1, 88 union all
select 2, 23 union all
select 2, 54 union all
select 2, 55 union all
select 2, 34 union all
select 2, 56 union all
select 2, 78 union all
select 2, 23 union all
select 2, 54 union all
select 2, 55 union all
select 2, 34 union all
select 2, 56 union all
select 2, 78 union all
select 2, 23 union all
select 2, 54 union all
select 2, 55 union all
select 2, 34 union all
select 2, 56 union all
select 2, 78 union all
select 2, 98
What I want is, for each student, what is their 90th percentile score?
For a given single student, one possibility would be:
declare @studentid int
set @studentid = 2
select top 1 @studentid as student_id, a.score as [90th percentile score]
from
(
select top 90 percent score from StudentScores
where student_id = @studentid order by score asc
) as a
order by a.score desc
But I want this for all students, and not use a cursor.
Any ideas?
Thanks!
I have a table and am usuing ASP to query the database, the connection is to a MS Access table at the moment but am working to convert to SQL Server.
Question:
I need to select the last 20 records, by a date field, then from those 20 records select the 10 lowest scores.
Example is a member logs on an that member has say 80 total records in the table. Then I need to select the last 20 records entered by the date field then select the lowest 10 scores out of those 20.
I am new to more compex SQL Statements any help would be mostly appreciated!
table = HC_ID
date field = date
member_id = member
score = ScoreHC
During the installation of Adding node to a SQL Server failover cluster(On passive node) getting error like.. The MOF compiler could not connect with the WMI server. This is either because of a semantic error such as an incompatibility with the existing WMI repository or an actual error such as the failure of the WMI server to start.We run the below commands but didn’t get any resolution & got the same above error .
1<sup>st</sup> Method…
1. Open console command (Run->CMD with administrator privileges).
2. net stop winmgmt
3. Rename folder %windir%System32WbemRepository to other one, for backup purposes (for example _Repository).
4. net start winmgmt
2<sup>nd</sup> Method..
1. Disable and stop the WMI service.
a) Command : - sc config winmgmt start= disabled
b. Command : - net stop winmgmt
2. Run the following commands.
a). Command: Winmgmt /salvagerepository %windir%System32wbem
b). Command: Winmgmt /resetrepository %windir%System32wbem
3. Re-enable the WMI service
Command: sc config winmgmt start= auto
Last command to run after above steps
4. Command: mofcomp "%programfiles(x86)%Microsoft SQL Server100Sharedsqlmgmproviderxpsp2up.mof"
File not found Error for above command.
I am in the process of moving databases from a SQL 2005 Standard version to a 2-node 2014 cluster.All of my 2005 databases back up successfully.They all restore without issue except for one database that has a full text catalog. I get this message
Msg 7610, Level 16, State 1, Line 2
Access is denied to "fileStoragedataMSSQLSERVERFullTextCatalog", or the path is invalid.
Msg 3156, Level 16, State 50, Line 2
File 'sysft_FTCatalog' cannot be restored to 'fileStoragedataMSSQLSERVERFullTextCatalog'. Use WITH MOVE to identify a valid location for the file.
Msg 3119, Level 16, State 1, Line 2
Problems were identified while planning for the RESTORE statement. Previous messages provide details.
Msg 3013, Level 16, State 1, Line 2
RESTORE DATABASE is terminating abnormally.
[code]....
I went as far as giving the folder full access to everyone temporarily and received the same error.
I ran the Advanced cluster preparation for a new sql instance on an existing cluster.
Slq Server 2012.
After is completed, it was successful, I realized I specified the wrong Instance Root directory.
Is it possible to remove what the preparation installed? Or is it possible to change the root directory?
Can I build a cluster by adding the cluster service, then the SQL instances, then add the other nodes and their passive SQL instances?I would lean to building the cluster first, the add the SQL instances.
View 4 Replies View RelatedI´ve been reading that SQL Server 2012 Always On is dependent on having a Windows Failover Cluster setup. Is that correct ?
View 6 Replies View RelatedI have following script which i am planning to run to drop all non-clustered primary keys on a database and then created as clustered. I am using someone else's script so don't know how to modify this. Some of primary key columns are used in references in other tables.
is there anyway i can drop the existing primary keys and using their original script then create again as clustered including restoring all foreign and reference keys and unique or no unique.
DECLARE @table NVARCHAR(512), @tablename NVARCHAR(512),
@sql NVARCHAR(MAX), @sql2 NVARCHAR(MAX), @sql3 NVARCHAR(MAX),
@column NVARCHAR(MAX);
DECLARE @indexname NVARCHAR(512);
SELECT name As 'Table'
[Code] ....
can we join a node in a windows cluster which is already in a different cluster?
We have this requirement as we need to setup readable secondary ( always on AG) on the third node.
We are planning to change all IPs of PRODUCTION Failover Cluster Setup. In my cluster setup ... we have 2 Physical Nodes with windows-2008, Roles are MSDTC and SQL-2008R2.
IP change for:
1. Both Nodes(Physical)
2. MSDTC
3. SQL Server
4. windows Cluster
So Almost... All IPs are going to change.
Im DBA here, I need to take care of SQL cluster and MSDTC. But I haven't performed this activity before.So I'm worrying about Impacts and consequences of this change. steps how should I perform this activity.
Hi all,
We have many tables which have cluster index on column with datatype 'Char(200)'.
Does anyone have script to change cluster index to noncluster for all user tables which have clustered index on a column with 'char(200)' datatype.
Thanks,
Deepak
Wanted to know about difference between cluster and non cluster index with example.
When to use cluster index and non cluster index .
CREATE TABLE [dbo].[Access](
[AdminID] [int] NOT NULL,
[FnID] [int] NOT NULL,
CONSTRAINT [PK_AccessFn] PRIMARY KEY NONCLUSTERED
[Code] ....
why the cluster and non cluster indexed created on the same key?
I am trying to upgrade a SQL Server 6.5(Cluster) to SQL Serevr 7.0 (Cluster)..I already have an intsllation of 7.0(On a Cluster),so this means that 6.5 and sql 7 are on seperate cluster's ,if i try to upgrade from 6.5 Cluster to 7.0 Cluster is asks me to uncluster 6.5 and 7.0 is this correct ,assume i cannot break the cluster then what???.. what is the best way i can achieve this functinality.....
thanks in advance
Jack
Hi
We are planning to upgrade the SQL Server in our production environment from SQL Server 2000 to SQL Server 2005. This is a 4 Node cluster environment with 3 Databases on 3 Virtual instances. The main requirement is to achieve this with no/minimal downtime.
Could you please suggest or direct me to any documentation for the best practices used to upgrade such an environment?
Thanks
Priyanka
We have (had) an active/active cluster. 2 physical machines,
each running their own instance, clustered together. Node1/Ins1 and Node2/Ins2.
Node2 failed and Ins2 failed over to Node1 as it should. Node2 required that we
rebuild the server (rebuild = reinstall O/S). Now we need to get Node2 back
into the cluster and get Ins2 failed back over to Node2.
Does anyone know, for certain, the correct steps to accomplish this? Obviously,
we could backup everything and completely destroy Ins2 and recreate it on Node2
then rejoin the cluster. But I'm looking for something less destructive.
Is it possible to reinstall SQL, then rejoin the cluster, and then fail Node2
over? Or will there be registry conflictions?
Any help would be appreciated. Also, if you have any links to some official
documentation, that would be great too.
Thanks
We're upgrading a SQL Server 2000 cluster (Active/Passive) running on Windows 2000 Server to a SQL Server 2005 Cluster running on Windows Server 2003. We can't purchase new hardware and we have no spare hardware. We also need to move from Windows 2000 Server to Windows 2003 Server at the same time. We want to keep downtime to a bare minimum.
What we were thinking was the following steps... Anyone try this?
1. Break the link between the servers.
2. Install a fresh copy of windows 2003 server on one side along with SQL Server 2005. While this step is running, the active node would still be live on Windows 2000 Server and SQL Server 2000 serving our customers.
3. Restore a copy of a backup from the active production side to the node we're upgrading and at that point we would bring the active node down, switching the active node to be the newly upgraded server.
4. As a final step, the old active node would now have the link to it broken, we would install a fresh copy of windows 2003 server on it and sql server 2005. At this point we would bring it back into the cluster and the cluster would be complete again.
Thoughts?
Friends -
Need your help and guidence for doing upgrading SQL Server 2000 Cluster to SQL Server 2005 Cluster.
Let me explain my current environment.
1. Currently SQL Server 2000 Cluster environment is running on Windows 2000 Server we need to upgrade this to SQL Server 2005 on Windows 2003 Server. >>> Production environment.
My Plans:
1. On Testing Environment Install SQL Server 2000 cluster on Windows 2003 Server and do a restore of databases from the produciton environment.
2. Upgrade In-Place from SQL Server 2000 Cluster to SQL Server 2005 Cluster.
My doubts
1. Can i install SQL Server 2000 Cluster on Windows 2003 Server. Is it possible or not.
Please advise me and correct my steps.
Cheers
VSH
Can the SQL Cluster Virtual IP be the same as the cluster IP?
Can I set up the cluster like:
Node 1:10.0.0.1
Node 2:10.0.0.2
MSCS Shared:10.0.0.3
SQL Virtual:10.0.0.3
or do they need to be unique?
I have two Windows 2000 servers (Advance Edition) to form a Windows Cluster. I also install MS SQL 2000 Enterprise Edition on the cluster to form a MS SQL cluster. Now, I want to upgrade the hardware and OS (but keep on using SQL 2000), so I install Windows 2003 server Enterprise Edition on two new servers to form a new Windows Cluster. I am planing to install MS SQL 2000 Enterprise Edition on the new cluster, so the old SQL cluster and new SQL cluster are side by side. I would like to know how to setup a new SQL cluster (I know it has problem to rename SQL Cluster name, so how to fix this problem)? And how to transfer everything (such as system databases, users database, sql user account, password and maintenance plan jobs etc) from old SQL cluster to new SQL cluster? And how to switch over from old SQL cluster to new SQL cluster?
Thanks a lot !
According to microsoft, we can cluster SSIS service but it is NOT RECOMMENDED.
http://msdn2.microsoft.com/en-us/library/ms345193.aspx
Now this is the situation that I have where I need to understand how SSIS works?
Enviornment: Active Active cluster enviornment for SQL server with SSIS server installed as stand alone as default on both node.
Name: Node 1 Node 2
--------- -------------- ---------------------
Server name: Nd1 Nd2
SQL server name: cs-nd1in01 cs-nd2in02
SSIS server name: Nd1 Nd2
BTW, this is cosolidated enviornment so there are more than one application expected and resides on each instance of SQL server.
The question is around SSIS, what would be the best practice to develop SSIS package that can work with above envoinrment.
Secnario: What if my Nd1 fails. SQL server cs-nd1IN01 will be failover to Nd2 and it will be available. But How about SSIS packages? How that understands
to use Nd2 SSIS as Nd1 SSIS is not available. Is anyone has similar experience to setup SSIS in cluster envionrment but as non-cluster service?
Please help. Thanks in adavance.
Friends -
Could any one of you provide steps for upgrading SQL Server 2000 cluster to SQL server 2005 cluster.
My environment is Windows 2003 server.
Appreciate your support.
Cheers
VSH
I am trying to configure a 2 node SQL cluster. MSCS is configured and is failing over correctly, however when I start the installation of SQL Server, and specify the IP address of the virtual server and hit next, the installation hangs, and stops responding. I have ran comclust.exe on both nodes and verified that MSDTC shows up in the cluster administrator. I have searched high and low to no avail---
View 2 Replies View RelatedI installed MS SQl 7.0 on MS Cluster 1.0 as Active/Active
I have NT Ent with sp6 and Sql 7.0 with Sp1.
After two days from the installation one of the SQl Failed to get online we checked in the log I found that the master Database get corrupted.
after the investigation I found that the Heart Beat cable was not their.
My question is : can the heart beat cable cause this corruption.
Please help. I recieved this WARNING message in My SQL Server Agent Error Log:
SQL Server MSSQLSERVER is clustered Autorestart has been disabled.
I run SQL Server 2k SP3 on WIN 2K SP3 clustered.
Thanks.
I realize this is like arguing politics or religion, but I have some wide tables that have frequent inserts on. SOme of these tables have millions of rows. I have seen pros and cons of having clustered indexes on tables like these. The one curve ball is that this is a vendor supplied app that I have little control over (ie how they call data is all dynamic sql). I thought the rule was not to cluster index on large tables with frequent indexes, but happy to hear other opinions
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