Data Structure for Date Time Selection

Hi All,
We have a table which looks like the following:
ID (int)
Status (int)
Elgiblity (int)
EligibleTime (datetime)
Counter (int)
Flag (bit)
Typically our queries look like
SELECT TOP 1 * FROM TABLE WHERE (Status IN 1000, 2000, 3000) AND
Eligibilty = 2000 AND EligiblityTime < '09/12/2005 1:31:33 PM' AND Flag
= 0 AND Counter < 2
Since we're doing a lot of selects based on time + status codes... are
there any database structures suited for this?
Also, the values in this table are updated quite often... how do ensure
the indexes are update to date?
We load and use about 200K rows of data per day. We keep about 45 days
worth of data in the database. We would lilke to return the data as fast
as possible... does anyone have suggestions on how to store the data?
Thanks.
Lucas Tam (REMOVEnntp@.rogers.com)
Please delete "REMOVE" from the e-mail address when replying.
Newmarket Volvo Sucks! http://newmarketvolvo.tripod.comLucas
Are you concerned about performance of the query? Do the users complain that
they have to wait for a request?
What are the inedexes defined on the table?
"Lucas Tam" <REMOVEnntp@.rogers.com> wrote in message
news:Xns96D131BA935A9nntprogerscom@.127.0.0.1...
> Hi All,
> We have a table which looks like the following:
> ID (int)
> Status (int)
> Elgiblity (int)
> EligibleTime (datetime)
> Counter (int)
> Flag (bit)
> Typically our queries look like
> SELECT TOP 1 * FROM TABLE WHERE (Status IN 1000, 2000, 3000) AND
> Eligibilty = 2000 AND EligiblityTime < '09/12/2005 1:31:33 PM' AND Flag
> = 0 AND Counter < 2
> Since we're doing a lot of selects based on time + status codes... are
> there any database structures suited for this?
> Also, the values in this table are updated quite often... how do ensure
> the indexes are update to date?
> We load and use about 200K rows of data per day. We keep about 45 days
> worth of data in the database. We would lilke to return the data as fast
> as possible... does anyone have suggestions on how to store the data?
> Thanks.
> --
> Lucas Tam (REMOVEnntp@.rogers.com)
> Please delete "REMOVE" from the e-mail address when replying.
> Newmarket Volvo Sucks! http://newmarketvolvo.tripod.com|||Hi
to auto update statistics, use database option
AUTO_UPDATE_STATISTICS
>from bol
When set to ON, existing statistics are automatically updated when the
statistics become out-of-date because the data in the tables has changed.
When set to OFF, existing statistics are not automatically updated; instead,
statistics can be manually updated. For more information, see Statistical
Information.
By default, AUTO_UPDATE_STATISTICS is set to ON.
The status of this option can be determined by examining the
IsAutoUpdateStatistics property of the DATABASEPROPERTYEX function.
To know when exactly statistics are updated
DBCC SHOW_STATISTICS
To updat statistics
UPDATE STATISTICS table | view
[
index
| ( statistics_name [ ,...n ] )
]
[ WITH
[
[ FULLSCAN ]
| SAMPLE number { PERCENT | ROWS } ]
| RESAMPLE
]
[ [ , ] [ ALL | COLUMNS | INDEX ]
[ [ , ] NORECOMPUTE ]
]
Regards
R.D
"Uri Dimant" wrote:

> Lucas
> Are you concerned about performance of the query? Do the users complain th
at
> they have to wait for a request?
> What are the inedexes defined on the table?
>
> "Lucas Tam" <REMOVEnntp@.rogers.com> wrote in message
> news:Xns96D131BA935A9nntprogerscom@.127.0.0.1...
>
>|||SORRY AT WRONG PLACE
"R.D" wrote:
> Hi
> to auto update statistics, use database option
> AUTO_UPDATE_STATISTICS
> When set to ON, existing statistics are automatically updated when the
> statistics become out-of-date because the data in the tables has changed.
> When set to OFF, existing statistics are not automatically updated; instea
d,
> statistics can be manually updated. For more information, see Statistical
> Information.
> By default, AUTO_UPDATE_STATISTICS is set to ON.
> The status of this option can be determined by examining the
> IsAutoUpdateStatistics property of the DATABASEPROPERTYEX function.
> To know when exactly statistics are updated
> DBCC SHOW_STATISTICS
> To updat statistics
> UPDATE STATISTICS table | view
> [
> index
> | ( statistics_name [ ,...n ] )
> ]
> [ WITH
> [
> [ FULLSCAN ]
> | SAMPLE number { PERCENT | ROWS } ]
> | RESAMPLE
> ]
> [ [ , ] [ ALL | COLUMNS | INDEX ]
> [ [ , ] NORECOMPUTE ]
> ]
> Regards
> R.D
>
> "Uri Dimant" wrote:
>|||"Uri Dimant" <urid@.iscar.co.il> wrote in
news:eUaMZwQuFHA.360@.TK2MSFTNGP12.phx.gbl:

> Lucas
> Are you concerned about performance of the query? Do the users
> complain that they have to wait for a request?
> What are the inedexes defined on the table?
Hi,
It's an application that runs against the table... the application
places phone calls on behalf of records in the database - we need to put
out 100s or 1000s of calls per minute(i.e. Emergency phone calls).
Right now there are a combination of factors:
1. Table Structure Could be Optimized
2. hardware could be better
As you see in my original post, the table is pretty much a flat file
(there are actually more columns - like 30+ but they're parameter
columns)... I'm just wondering if you guys have any pointers on how to
store datetime data in a way that is easily selectable.
Thanks!
Lucas Tam (REMOVEnntp@.rogers.com)
Please delete "REMOVE" from the e-mail address when replying.
Newmarket Volvo Sucks! http://newmarketvolvo.tripod.com|||Lucas
can be bit specific
is it the problem of insertion or select statement to retrive it.
pl.Post script
Regards
R.D
"Lucas Tam" wrote:

> "Uri Dimant" <urid@.iscar.co.il> wrote in
> news:eUaMZwQuFHA.360@.TK2MSFTNGP12.phx.gbl:
>
> Hi,
> It's an application that runs against the table... the application
> places phone calls on behalf of records in the database - we need to put
> out 100s or 1000s of calls per minute(i.e. Emergency phone calls).
> Right now there are a combination of factors:
> 1. Table Structure Could be Optimized
> 2. hardware could be better
> As you see in my original post, the table is pretty much a flat file
> (there are actually more columns - like 30+ but they're parameter
> columns)... I'm just wondering if you guys have any pointers on how to
> store datetime data in a way that is easily selectable.
> Thanks!
> --
> Lucas Tam (REMOVEnntp@.rogers.com)
> Please delete "REMOVE" from the e-mail address when replying.
> Newmarket Volvo Sucks! http://newmarketvolvo.tripod.com
>|||examnotes <RD@.discussions.microsoft.com> wrote in
news:B0959AEA-AB2D-48A9-922D-5E0528AB5CE3@.microsoft.com:

> Lucas
> can be bit specific
> is it the problem of insertion or select statement to retrive it.
> pl.Post script
> Regards
> R.D
Problem with select statement:
SELECT TOP 1 * FROM TABLE WHERE (Status IN 1000, 2000, 3000) AND
Eligibilty = 2000 AND EligiblityTime < '09/12/2005 1:31:33 PM' AND Flag
= 0 AND Counter < 2
Something like that can take a while... and use a lot of resources.
Lucas Tam (REMOVEnntp@.rogers.com)
Please delete "REMOVE" from the e-mail address when replying.
Newmarket Volvo Sucks! http://newmarketvolvo.tripod.com

data provider or other service returned an E_Fail status in sql server 2005

after converting database from sql server 2000 to sql server 2005. my program on vb6 is facing runtime error. i.e.data provider or other service returned an E_Fail status .

how can i get rid this problem

Could you please post your connection string and the exact error message that you are getting.

Jag

|||

Main_Module.STRCNNN1 = "driver={SQL Server};server=" & Main_Module.Server_Name & ";" & _
"uid=SA;pwd=;database=" & Main_Module.Common_Database
error msg is

runtime error

data provider or other service returned an E_Fail status in sql server 2005

when i am fetching record from view using order by clause in select statement then error is coming

as

select * from vew_emp where grade='C' order empno

at the first time it fetching record with order by

but when i am using recordset.Requiry

it cud not fetch the record

i think when the recordset is open with the record of view

i am deleting ,inserting record in the view base table then the main recordset is not working

without using order by it is running and working well
plz reply me quickly

data provider or other service returned an E_Fail status in sql server 2005

Main_Module.STRCNNN1 = "driver={SQL Server};server=" & Main_Module.Server_Name & ";" & _
"uid=SA;pwd=;database=" & Main_Module.Common_Database
error msg is

runtime error

data provider or other service returned an E_Fail status in sql server 2005

when i am fetching record from view using order by clause in select statement then error is coming

as

select * from vew_emp where grade='C' order empno

at the first time it fetching record with order by

but when i am using recordset.Requiry

it cud not fetch the record

i think when the recordset is open with the record of view

i am deleting ,inserting record in the view base table then the main recordset is not working

without using order by it is running and working well
plz reply me quickly

Move the thread from Visual Basic Language in order to get better and satisfied answers.

|||

Take a look at this - http://www.sql-server-performance.com/forum/topic.asp?TOPIC_ID=3778

Hope this helps

Data Manipulation

HI everyone,

I have a column STATUS of type bit(1,0) , i would like to manipulate it(without editing the database) in the Store Procedure in such a way that

if
STATUS =1 // return result STATUS= 'Active '
Else if
STATUS = 0 // return result STATUS = 'Inactive'
End if

My Stored Procedure Is As Follow

SELECT
STATUS + '--' + NAME AS STATUSNAME
FROM M_USER
END

Desired Result When Populated Into a Listbox Should Be As Follow

Active--Tester
Inactive--Tester1

Thanks In Advance for the Help Provided!

SELECT
 CASE When Status = 1 Then 'Active'
 ELSE 'Inactive'
 END As STATUSNAME
FROM M_USER

:)

JB|||Thanks JBelthoff for the reply,

I follow ur example but its still not working , the code are as follow,

IF (@.MASTER = 'NRICSEARCH')
BEGIN
SELECT
CASE WHEN ACTIVE= 1 THEN 'ACTIVE'
ELSE 'INACTIVE'
END AS ACTIVE,
USER_ID,
NRIC + '--' + NAME+ '(' + CONVERT(VARCHAR, ACTIVE) + ')' AS NRICNAME
FROM M_USER
ORDER BY NRIC

--
Column ACTIVE is of type bit.
NRICNAME is used in the listbox as datatextfield

TheCurrent Output from the current code in the listbox is as follow,

123--Ben(0)
124--Andy(1)

TheDesired Output in the listbox is as follow,

123--Ben(ACTIVE)
124--Andy(INACTIVE)

Apparantly, The CASE is not working.|||To get a 1 column result set in your desired output.......

SELECT CAST(USER_ID As Varchar) + '--' + NAME + '(' +
CASE
WHEN ACTIVE= 1 THEN 'ACTIVE'
ELSE 'INACTIVE'
END
+ ')' As NRICNAME
FROM M_USER

:-D

Enjoy!

JB|||Hi JB,

Its working now, thanks a lot.