Which Algorithm Is Better For Customer Retention
Jul 25, 2006
Hi
Pl any one tell me which algorithm is better for Customer retention Using SQL server 2005 analysis services
It will be great if some one can give the same with example of data model with key column , and rest
Thanks in Advance
Rajesh Ladda
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Apr 20, 2004
I am trying to change the default number of SQL errorlogs from 6 to 12. Does anyone know how to change that?
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Dec 4, 2007
I have members in a database who have paid thru dates. I am creating retention reports
I created a cross tab in Crystal (using SQL) that counts records that paid within a certain year. I need to create a script that will let me find when members skip payment for a year. Any ideas?
I was thinking of running a count of all paid (Activity) records, but still kind of stuck.
DZ
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Nov 6, 2007
I currently have a simple transactional replication setup for a database. My publisher and distributor are on the same box. The subscription is setup using a push agent.
My question is related to recovery of the subscriber.
So lets say replication is setup and working fine. Suddenly we had a failure on the subscriber database. Now I could just reconfigure the subscription, and the subscribing database would be back up and good to go, but the problem is that over time, we have made some changes to the subscribing database that are not made in the publisher. For example, the tables have different indexes. Just reconfiguring the subscritpion would not recover these objects.
So I have to acutally restore the subscriber database. So I do that, and apply transaction logs up to the most recent transaction log backup. Now, consider that my transaction log backups on the subscriber happen every 4 hours, and the most recent transaction log backup I had was from 3 hours ago. So now at this point, my subscribing database is 3 hours behind my publisher.
Now, will the distribution agent resend the missing 3 hours of transactions?
In the distribution agent properties, there are two settings for transaction retention, "at least" and "but not more than". Currently they set to 0 and 72 hours respectivly. Now I would assume that if I set the "at least" setting to the subscriber transaction log backup period, in this case 4 hours, I would be covered, and the distribution agent would indeed re-replication the transactions that happend since the recovery point 3 hours.
I just wanted to verify that this is acutally what these settings are refering too, and that if I set the "at least" setting to 4 hours, I would be covered.
- Eric
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Sep 19, 2007
I'm curious what are considerations for choosing a good transaction retention time? The default SQL uses is 0 to 72 hours. With this setting I found that cleanup was taking upwards of 30 minutes (for a process that defaults to run every 10 minutes). I've read that lowering it can improve performance, and that also you don't want this running too long because of deadlock issues between this and the log reader. So how short is too short? Optimally, since the system this runs on is under heavy use I'd like to optimize this as much as possible, which makes me think that the smaller the retention the better, but is something like 1 or 2 hours too short? What are possible consequences of such a short period of time?
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Nov 12, 2007
I have just started in the scary world of SQL Server admin and am trying to unravel the mysteries of backups etc.
If I run 'BACKUP DATABASE xxx TO DISK = 'D:DB_Backupsxxx.bak' WITH RETAINDAYS = 7' each day, each db backup if appended to the same '.bak' file and the RETAINDAYS protects the backup from being deleted by SQL Server. OK so far. But does anyone understand what criteria is used to decide when to overwrite the older backups? My backup file is getting bigger everyday, with no sign of any of the old data being deleted! Do I have to wait for the entire disk to become full before they start to get overwritten? Or should I just not worry and trust that it will do it all correctly?
Any ideas would be much appreciated.
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Jul 13, 2006
In sql2005 the database backup retention has been added in sql server properties in database setting.
In 2000 we had a comfortable option to set retention based on maintenance plan,files and also our space availabilty.It has helped the dba's a lot.But it has been removed in sql 2005.
Is that sql server setting is the only retention period setting or do we have to set in anyother tabs..
Thanks
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Sep 11, 2007
I want to change the history retention time because the history stores about 1 gb of detail per database per day in the msdb
Some of the log shipped databases have a monitor server option that has a setting for retention time
but most of the log shipped databases are not using a monitor server since the option was unavailable at setup.
So is there a way to change the history retention time
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Apr 18, 2005
Hi
I am running a couple of sql 2000 SP3a servers with merge and snapshot replication. One server acting as publisher and distributor and the rest subscribers. On one of the server I have got the error below and have tried most of the suggestions by msdn. This server has not crashed ever before or any hardware problems. It has been running for a couple of months and no problems. This has not happened no any of the other servers. Any suggestions would be greatly appreciated as the only resolution I have left is to bring up a new instance, setup replication and see if this would resolve the issue. Stopping and starting of agents don't work.
[4/18/2005 11:59:20 AM]BRAAMPDC1ICAS2000.HO_Master: {call sp_MSgetversion }
[4/18/2005 11:59:20 AM]BRAAMPDC1ICAS2000.distribution: {call sp_MShelp_subscriber_info (N'BRAAMPDC1ICAS2000', N'EASTSRV3')}
Connecting to Subscriber 'EASTSRV3.ICASData'
Server: EASTSRV3
DBMS: Microsoft SQL Server
Version: 08.00.0760
user name: dbo
API conformance: 2
SQL conformance: 1
transaction capable: 2
read only: N
identifier quote char: "
non_nullable_columns: 1
owner usage: 31
max table name len: 128
max column name len: 128
need long data len: Y
max columns in table: 1024
max columns in index: 16
max char literal len: 524288
max statement len: 524288
max row size: 524288
[4/18/2005 11:59:27 AM]EASTSRV3.ICASData: {call sp_MSgetversion }
Percent Complete: 2
Connecting to Subscriber 'EASTSRV3'
Percent Complete: 3
Retrieving publication information
Percent Complete: 4
Retrieving subscription information
Percent Complete: 4
The merge process is cleaning up meta data in database 'HO_Master'.
Percent Complete: 4
The merge process cleaned up 0 row(s) in MSmerge_genhistory, 0 row(s) in MSmerge_contents, and 0 row(s) in MSmerge_tombstone.
Percent Complete: 4
The merge process is cleaning up meta data in database 'ICASData'.
The merge process could not perform retention-based meta data cleanup in database 'ICASData'.
Percent Complete: 0
The merge process could not perform retention-based meta data cleanup in database 'ICASData'.
Percent Complete: 0
Category:NULL
Source: Merge Replication Provider
Number: -2147199467
Message: The merge process could not perform retention-based meta data cleanup in database 'ICASData'.
Percent Complete: 0
Category:COMMAND
Source: Failed Command
Number: 0
Message: {call sp_mergemetadataretentioncleanup(?, ?, ?)}
Percent Complete: 0
Category:SQLSERVER
Source: EASTSRV3
Number: 11
Message: General network error. Check your network documentation.
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Feb 21, 2014
I want to store data warehouse source tables and files in an Archive schema and then delete / drop them after a specified period of time.
Is there a table property that I can set (can't find one) or some other mechanism so that I can easily identify these tables with a script.
If there is no such property or feature within the database engine I will define a metadata table and record it there, but a property or similar that I can set at archive time would be very handy.
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Aug 27, 2015
We have retention policy , and pay at the time year completion , now policy change and it is converted from yearly to monthly and this with effect from April-15.
if calculate the pay system will generate the Arrear payment of the employee from the month of April onward but i already paid the retention amount for month for two month April and May which i need to deduct the same otherwise this will double amount .
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Mar 29, 2007
I currently use 7 days for subscription expiration setting for my two merge publications, which will cause metadata to clean up very 7 days. Now I need to increase the retention period to be 14 days. How I can avoid missing metadata after cleanup? Microsoft ms151188 (http://msdn2.microsoft.com/en-us/library/ms151188.aspx) warns that publisher may not have enough metadata, which may lead to non-convergence. I want to change this setting without causing any data loss.
Thanks much,
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Sep 22, 2015
For the best practice I issued full SQL Server database, differential and transaction log backups. I have setup a process to backup to local disks and then also copy the files to a centralized set of storage. On a weekly basis the centralized file system is backed up to a tape backup device. I know I can get data off of the tapes, but that process is time consuming, not well tested from my perspective and I am not in control of the overall process. Can you offer some recommendations from a SQL Server backup retention perspective?
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Sep 8, 2006
Hi SQL Replication Gurus:
I got some issues in my production environment, so please help me out. The following is the message I got from the replication monitor and I don't what to at this point.
Appreciate you help.
Yong
==========================================================================================
Command attempted:
{call sp_mergemetadataretentioncleanup(?, ?, ?)}
Error messages:
The merge process could not perform retention-based meta data cleanup in database 'TT'. (Source: Merge Replication Provider, Error number: -2147199467)
Get help: http://help/-2147199467
Transaction (Process ID 73) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction. (Source: ply-db-svr1, Error number: 1205)
Get help: http://help/1205
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Oct 26, 2007
Hi ALl,
I am using SQl server 2005,
I have the following data
customer order_id order_code complete
1328004 3462 18 1
1328004 3463 18 1
1554477 3689 18 1
1554477 4123 18 0
Here I need results like this,
customer order_id order_code complete
1328004 3462 18 1
1554477 3689 18 1
the first row for each customer and order_code, so far I haven't been able to come up with the correct query.
select top 1 a.customer,a.order_id,a.order_code,a.complete
from order a
order by a.customer,a.order_id
My query only returns the top 1 row .Please point me in the right direction.
Thanks in advance
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Apr 13, 2008
Hi, is there a way to modify the way an identity column counts? for example, I want the counter to reset every month, I store the number of the month in another colum, so I just need the identity to take the month in to account, so the first day of each month it would start from 1 again.
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Feb 13, 2007
I have a customer table with the column "invoice_customer" (this is the customer_acccount of account where the bill is invoiced..)
so to get the invoice_customer address for the customer account - 13301
SELECT B1.address as InvoiceAddress
from CUSTOMER AS B1 , CUSTOMER AS E1
WHERE B1.customer_account = E1.invoice_customer and E1.customer_account = '13310'
i want to add the above InvoiceAddress to the query below:
select customer_account, order_no, date_req, del_address (InvoiceAddress)
from CUSTOMERS
INNER JOIN Orders on CUSTOMERS.customer_account = Orders.account
where status 'D'
How would I put the 2 togtheer...
Thanks in advance!!!
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Jul 18, 2007
Hello everyone -
Is there a pro / con reason why a corporation would create a new database for each customer??
I can understand the obvious reason - to keep the companies apart,
but other than that single reason are there any other ones?
thanks
tony
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May 10, 2007
Good day.
Am new with SQL server and i use SQL Server 2005
i have 3 tables (1 = customers, 2 = orders, 3 = keys) both these tables are linked by the key table
I wanna be able to "view" (as am only allowed to view) the last three orders for every customer.
I tried using the top predicate/ clause with a group by & count but unfortunately am getting no where.
Please kindly help
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Mar 12, 2008
What statements can be used to grab the most recent customer record?
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Jul 23, 2005
I am aware of the problems with using identity. I would like a bitmore information on implementation. Concurency is a concern becausethis is a net application.Do I do this at the application level, in a trigger, or using anothermethod?I want to make sure that the method I choose is robust and maintainsthe integrity of the data.[color=blue]>From what I know, in this case not much, it would seem that the[/color]trigger is the best bet.If I were to do a table that stores the unique number counter, I'mthinking TableName and NextNumber fields could be created and thenused for all tables that need this requirement. Then my triggerwould look up the next number based on its table name, save thenumber as the ID and then increment the value by 1 or whatever stepI choose. Is this thread safe?Thanks,Greg
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Mar 4, 2006
Hi there, I am a little confused with some data ideas in .NET 2.0.
First, I now understand there are profiles for storing per-user information (such as address, etc). Now, each of my users will have say an inventory of equipment, that they can edit, add, etc. However I am not sure if using just regular tables would be better. Any suggestions?
Also, I understand using the profiles does not let you use things such as the DetailsView control, which would allow for automatic editing, adding, deletion, etc. This would be very nice to have, rather than implementing it myself.
If this is the case, how do I associate the new database with the ASPNETDB database? For example I will have a table in my new database that has columns [UserId, EquipmentName, Quantity, Description]. Now how do I get the logged in user's user ID to display only their equipment in a GridView say?
Thank you very much!
Tristan
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Jan 26, 2007
I have given a Zip file with mdf + ldf file to a customer and he cannot attach it to his server
what can be the problem ?
any rights ?
thank you
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Dec 17, 2014
If i want to replicate data only for a particular customer code using SQL 2012 replication - is it possible. I believe that either the entire database or few tables can be replicated using SQL 2012.
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Jan 22, 2014
I have three SQL tables that I am trying to join. One is Called Customer and the other Orders.
Customer contains these fields that I need
CustomerID,Email,FirstName,LastName,
Orders has these that i need
OrderNumber,CustomerID,OrderTotal,OrderSubTotal
OrdersShoppingCart has these that I need
OrderNumber,CustomerID,OrderedProductSKU,OrderedProductName,OrderedProductPrice
What I would like to try to export is this
CustomerID
FirstName
LastName
Order ID
SKU
Order Total
This would be grouped for each customer for all total orders. Do you think this is possible?
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May 16, 2014
I have this table below with customers having loans. Nou I want to write a query which retrieves all customers with exactly the same set of Loans.
Rules:
If I give C1 then I should get C2 (same set of loans)
If I give C2 then I should get C1 (same set of loans)
If I give C3 then I should get C4 (same set of loans)
If I give C4 then I should get C3 (same set of loans)
If I give C5 then I should NOT get any row because there is no other Customer with the same set of loans.
If I give C6 then I should NOT get any row because there is no other Customer with the same set of loans.
If I give C7 then I should NOT get any row because there is no other Customer with the same set of loans.
Table LoanCustomer:
[KEY] [LOAN] [Customer]
1L1C5
2L2C1
3L2C2
4L3C1
5L3C2
6L4C3
7L4C4
8L5C6
9L5C7
10L6C7
I tried this query below but it doesn't give me always the same right results.
SELECT t1.LOAN, t1.CUSTOMER
FROM LoanCustomer t1
WHERE EXISTS (
SELECT t2.LOAN, t2.CUSTOMER
FROM LoanCustomer t2
WHERE CUSTOMER= 'C1'
and t1.CUSTOMER != t2.CUSTOMER and t1.LOAN = t2.LOAN
)
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Jan 31, 2007
Hello Guys,
I really need you help to debug this query.
OBJECTIVE:THE QUERY SHOULD GIVE ME THE FIELDS I MENTIONED IN THE FIRST QUERY WITH THE CONDITIONS BELOW.
CONDITION 1: RateReview field should have yesterday's date
CONDITION 2: Email will be send to customer only once so Customer_GUID is UniqueIdentifier
CONDITION 3: Customer shouldnt' have opted to get out from receiving any email so Termination field should be NULL
ONe Customer can have many transwactions
Is there any way i write the code specifying that no email should be sent more than once evereven if customer buys 10 tickets.
Only one email sent so i need to specify that if this email has gone to particulare CUSTOMER_GUID then Ignore that record and
do not send any email. This would be done by some tool known as StrongMail.
SELECT
CAST(a.Transaction_GUID AS varchar(36)) as Transaction_GUID,
CAST(a.Customer_GUID AS varchar(36)) as Customer_GUID,
Film_id as MovieId,
First_nm as FirstName,
Last_nm as LastName,
Email_nm as EmailAddress,
from
(
select
MIN(CAST(customer_guid AS varchar(36))) as Customer_GUID,
Transaction_GUID
from tblTransaction (nolock)
where RateReview_dm > DATEADD(dd,-1,GETDATE()) and RateReview_dm <
GETDATE()
and Terminate_dm is null
and customer_guid
not
in
(
select CAST(customer_guid AS varchar(36)) as Customer_GUID
from tblTransaction (nolock)
where RateReview_dm > DATEADD(dd,-1,GETDATE()) and RateReview_dm <
GETDATE()
and Terminate_dm is null
)
group by transaction_guid, customer_guid
)z
inner
jointblTransaction a
onz.Transaction_GUID = a.Transaction_GUID
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Mar 22, 2007
I am fairly new to sql. Reading a table I need to show amount for each customer. Also I need to add amount for each customer that has more than one entry. What would the sql statement look like? Thank you.
Records in file:
Company Amount
Customer1 24.000
Customer2 36.000
Customer3 72.000
Customer1 20.000
Customer3 15.000
Desired results:
Company Amount
Customer1 44.000
Customer2 36.000
Customer3 87.000
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Mar 3, 2008
Hi,
I have two tables customers and orders. customerID is the foreign key for order table. If I pass customername I need to get information about each customer how many orders holding?
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Sep 17, 2006
i have table:
customer(customerid, age,sex....)
orderdata(orderid, customerid,day)
orderdetails(orderid, productid, quantity)
products(productid, productname,...)
now, i want to show some product for customer when i now him age and sex.
e.ct: if he is a man and age =20 i show product : ball, pull, sport close....... if man is a woman , i show lips, babara, t_shirt, skirt....
if man is a chirdren, i will show joy, story for chidren....
how i create my mining model. and how i query for result in DTS
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Oct 30, 2006
i have a database with a list of customers and goods that they have ordered. I want to send one email to each customer regardless of the number of products he has ordered. eg.
Userid, product id, createddate
1034 2000788 2006-09-01 14:50:19.880
1034 383002 7 2005-09-07 20:50:19.880
1034 4493903 2006-09-01 20:00:19.880
I am therefore making a query for getting the data.How can i get only one record for each customer?
Sincerely
wan.
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Nov 8, 2006
my source flat file has many rows per customer,
but I need to transfer it to database with only one row per customer and accumulated sales (and probably do other calculations and lookups).
I understand how to do stuff with derived columns, but how can I read source file first, calculate, group and then save to database?
As I understand, the script offers only processing row by row: Public Overrides Sub Input0_ProcessInputRow(ByVal Row As Input0Buffer)
Thanks
Vlad
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Feb 8, 2007
I have a contact table and a customer table. The two tables will contain columns like
First name
Last Name,
Date of Birth
Post Code,
House Number
Street Name
etc.
I would like to find the different combinations in which I can relate the customer and contact data.
Like its is possible that the first name and last name are same but date of birth is different. This indicates that the contact and customer is the same. Now I do not know these combinations and I would like to have this set generated for me.
From Integration Service (Sql Server 2005) I get the data and I would like to know the patterns in which data will differ. Is there any way of achieving this?
I am very new to Data Mining and would like to have some direction as to how to progress with this.
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