Artificial Mind - Part One - Basic Architecture And Cognitive Structure Is Now Available
Oct 5, 2006
It's a dream of human beings to build machines that can think and
behave like human beings. The most important part of of such a machine
is an artificial mind that can emulate the cognitive processing of
human mind.
This book, "Next Generation Artificial Intelligence, Artificial Mind -
Part One - Basic Architecture and Cognitive Structure" introduces a
basic artificial mind architecture and computational model for
cognitive processing. Inside the book, three important cognitive
process modeling components, mental objects network (MON),
associative-learning mechanisms and a concept formation principle are
introduced. Based on the architecture and the computational model, one
can develop his own model of artificial mind according to his own
specific requirements.
The first edition of Artificial Mind - Part One is now available for
purchase from the author's personal web site. The price of the e-book
is USD7.00 (seven US dollars). An evaluation edition of this e-book is
also available for download from the web site.
The author's personal web site:
http://www.geocities.com/tomwingmak/
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Jan 23, 2008
Hi Jonathan Kehayias, Thanks for your valuable response.
I had a hard time to sumbit my reply in that original thread yesterday. So I created this new thread.
Here is my response to the last code/instruction you gave me:
I corrected a small mistake (on Integrated Security-SSPI and executed the last code you gave me.
I got the following debug error message:
1) A Box appeared and said: String or binary data would be truncated.
The statement has been terminated.
|OK|
2) After I clicked on the |OK| button, the following message appeared:
This "SqlException was unhandled
String or binary data would be truncated.
The statement has been terminated."
is pointing to the "Throw" code statement in the middle of
.......................................
Catch ex As Exception
MessageBox.Show(ex.Message)
Throw
Finally
..........
Please help and advise how to correct this problem in my project that is executed in my VB 2005 Express-SQL Server Management Studio Express PC.
Thanks,
Scott Chang
The code of my Form1.vb is listed below:
Imports System.Data
Imports System.Data.SqlClient
Imports System.Data.SqlTypes
Public Class Form1
Public Sub InsertNewFriend()
Dim connectionString As String = "Data Source=.SQLEXPRESS;Initial Catalog=shcDB;Integrated Security=SSPI;"
Dim connection As SqlConnection = New SqlConnection(connectionString)
Try
connection.Open()
Dim command As SqlCommand = New SqlCommand("sp_insertNewRecord", connection)
command.CommandType = CommandType.StoredProcedure
command.Parameters.Add("@procPersonID", SqlDbType.Int).Value = 7
command.Parameters.Add("@procFirstName", SqlDbType.NVarChar).Value = "Craig"
command.Parameters.Add("@procLastName", SqlDbType.NVarChar).Value = "Utley"
command.Parameters.Add("@procAddress", SqlDbType.NVarChar).Value = "5577 Baltimore Ave"
command.Parameters.Add("@procCity", SqlDbType.NVarChar).Value = "Ellicott City"
command.Parameters.Add("@procState", SqlDbType.NVarChar).Value = "MD"
command.Parameters.Add("@procZipCode", SqlDbType.NVarChar).Value = "21045"
command.Parameters.Add("@procEmail", SqlDbType.NVarChar).Value = "CraigUtley@yahoo.com"
Dim resulting As String = command.ExecuteNonQuery
MessageBox.Show("Row inserted: " + resulting)
Catch ex As Exception
MessageBox.Show(ex.Message)
Throw
Finally
connection.Close()
End Try
End Sub
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
InsertNewFriend()
End Sub
End Class
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Jun 10, 2008
Hey All, I'm trying to decide what's the 'best' to use. I've been designing and creating database for a while and have pretty much always used a surrogate key and not a normal one. I've finally had some free time to start studying more so in my spare time and read up and come accross a lot of guides, articles and stories that tout that normal keys should be used whenever possible as they're a better identifier and that surrogate keys should only be used when there is not a readily available normal key. Now perhaps I'd be open to accepting that but absolutely every database I come across tends to only use surrogate keys. For example I'm doing an authentication system from scratch and am looking at the User table. Now of course the user name has to be unique, should that be the primary key or should I have a seperate column with a guid or an incrementing int or the like as the primary key? I can certainly see that username could be used. I can also see how it may be easier when looking through the data tables to identify who/what a table is refering to with a surrogate key. However it still seems sort of sloppy, for lack of a better word, to me. Where now I could have somebody's username (or any other piece of data used for this purpose) spread accross a lot of other tables. And while writting this I just thought of the scenario that perhaps somebody needs their username changed, with this method now the ids need to be changed on all the related rows of all the other tables whereas with a surrogate key it wouldn't matter. Anyways I'm mostly looking for opinions on which way to go (not just with the user sample, but more in general).Thanks.
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Jul 5, 2006
I'm currently running the following statement that is used in a CrystalReport. Basically, a record is returned when the T_PAYMENT.amounthas a record in the database based on the value of the T_MULTILIST.codefield. Currently, if there is no record returned, there is no listingin the report for the given T_MULTILIST.code.The user now wants a record to be displayed on the report when there isno record in the database - she wants it to display a value of '$0'for the given T_MULTILIST.code record. I tried to explain the fact thatis not possible the way things stand at the moment. Basically I needsome typeof case statement that says 'if there is no record returned, create asingle record and set T_PAYMENT.amount = 0' AFTER each query has beenexecuted.Anyone have any idea how to accomplish this?SELECT DISTINCT'English Language Arts, Grade 1' as Rec_Type, 'English Language Arts(Consumable)' as Super_Type, '' as Other_Type, 'Continuing Contracts'as Proc_Type,T_MULTILIST_GRADE.grade, T_MULTILIST.description, T_MULTILIST.code,T_PAYMENT.amountFROM (T_MULTILIST T_MULTILIST INNER JOIN (T_PAYMENT T_PAYMENTINNER JOIN T_SHIPPING_DETAILT_SHIPPING_DETAIL ONT_PAYMENT.transaction_id=T_SHIPPING_DETAIL.transac tion_id)ON T_MULTILIST.code=T_SHIPPING_DETAIL.multilist_code) INNER JOINT_MULTILIST_GRADE T_MULTILIST_GRADE ONT_MULTILIST.code=T_MULTILIST_GRADE.multilist_code, T_ORDER, T_REQUISITION, T_REQUISITION_DETAILWHERET_ORDER.id = T_SHIPPING_DETAIL.order_id ANDT_REQUISITION.id = T_ORDER.requisition_id ANDT_REQUISITION_DETAIL.requisition_id = T_REQUISITION.id ANDT_REQUISITION_DETAIL.latest_record_flag = 1 ANDT_REQUISITION.latest_record_flag = 1 ANDT_ORDER.latest_record_flag = 1AND (T_MULTILIST.code='1040')AND (T_MULTILIST.expiration_year >= '2006' )AND (T_REQUISITION.requested_shipment_date >= '2006' + '0601'AND T_REQUISITION.requested_shipment_date < dateadd(YY, 1,'2006' + '0601' ) )UNIONSELECT DISTINCT'English Language Arts, Kindergarten' as Rec_Type, 'EnglishLanguage Arts (Consumable)' as Super_Type,'' as Other_Type, 'Continuing Contracts' as Proc_Type,T_MULTILIST_GRADE.grade, T_MULTILIST.description,T_MULTILIST.code, T_PAYMENT.amountFROM (T_MULTILIST T_MULTILIST INNER JOIN (T_PAYMENT T_PAYMENTINNER JOIN T_SHIPPING_DETAIL T_SHIPPING_DETAILON T_PAYMENT.transaction_id=T_SHIPPING_DETAIL.transac tion_id)ON T_MULTILIST.code=T_SHIPPING_DETAIL.multilist_code) INNER JOINT_MULTILIST_GRADE T_MULTILIST_GRADE ONT_MULTILIST.code=T_MULTILIST_GRADE.multilist_code, T_ORDER, T_REQUISITION, T_REQUISITION_DETAILWHERET_ORDER.id = T_SHIPPING_DETAIL.order_id ANDT_REQUISITION.id = T_ORDER.requisition_id ANDT_REQUISITION_DETAIL.requisition_id = T_REQUISITION.id ANDT_REQUISITION_DETAIL.latest_record_flag = 1 ANDT_REQUISITION.latest_record_flag = 1 ANDT_ORDER.latest_record_flag = 1AND (T_MULTILIST.code='0040')and (T_MULTILIST.expiration_year >= '2006' )AND (T_REQUISITION.requested_shipment_date >= '2006' + '0601'AND T_REQUISITION.requested_shipment_date < dateadd(YY, 1,'2006' + '0601' ) )Up to 40 more UNION statements follow the above 2.
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May 12, 2008
I have a report that requires SubTotals for each page.
To do this successfully, I had to introduce the following grouping:
Code Snippet=Int((RowNumber(Nothing)-1)/5
This groups every 5 records.
Unfortunately, the length of data in my records is not uniform. For example, certain records have long(over 4 lines) comment field while others are short(1 line).
This means that even though I have an artificial grouping, the group may still be split up over two or more pages.
Is there a way to Group records PER PAGE dynamically?
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Nov 21, 2006
Hello everyone, this is my first time to these boards. I've been running all around for the last few days trying to solve a problem. So far, on 3 forums, we haven't been able to find a solution.
I am using MS SQL 2005 Workgroup. I have catalog of events on my site. Each event can have a little as 0 up to an unlimited amount of Photos attached to them(in a seperate table.) Here's the basic breakdown.
catalog
-----------
id - PK
act_name
(price and other such info)
Photos
-----------
id - PK
path_to_photo
event_id - FK(catalog.id)
What I'm trying to do is select all the events in the catalog, and order them by the number of photos they have in the photos table. The idea is to get the events that have photos at the top of the list.
here is the query that I'm using right now.
Code:
SELECTCOUNT(photos.id) AS PhotoCount, catalog.id AS item_id, catalog.company, catalog.act_name,
catalog.location, catalog.price_adult,
catalog.price_child, catalog.short_description, catalog.photo, catalog.children_allowed,
catalog.long_description, catalog.online,
catalog.act_type, event_types.act_type AS evt_type,
event_types.id AS event_id, catalog.rank, catalog.length, catalog.bullets,
photos.id
FROM catalog, event_types, photos
WHERE catalog.act_type = event_types.id
AND photos.event_id = catalog.id
GROUP BY COUNT(photos.id), catalog.id, catalog.company, catalog.act_name
ORDER BY photos.id, catalog.id, catalog.company, catalog.act_name
Which returns the following error.
Column 'catalog.location' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause.
No matter what I do, I always seem to get an error. I've removed the Count in the select list, and that tells me that I cannot call Aggregate functions in the Group By list.
Anyone got an idea what I'm doing wrong?
Thanks in advance,
Morgan
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Aug 16, 2006
SELECT
[List1].[TITLE],
[List1].[FORENAME],
[List1].[SURNAME],
[List1].[JOB]
FROM List1
WHERE EXISTS(
SELECT [List2].[forename] FROM [List2]
WHERE [List2].[forename] = [List1].[FORENAME]
AND [List2].[surname] = [List1].[SURNAME]
AND [List2].[email] = [List1].[EMAIL]
)
I am on the right track here, aren't I?
That query will.. sort of... loop through List1, get the "current" records firstname, surname and email, and then go and see if there's any single record in List2 that contains exactly that combination of values in those fields. It's a stupid question but I'm not the brightest of sparks and BOL leaves me even more confused. I'm just worried in case it's going "well, record 34 matches the current firstname and record 96 matches the current email, so EXISTS returns true".
Assuming I've got it right, though - many of the records that I know to be duplicates have a NULL email address. And the query above seems to be automatically removing them. If there's a record in both List1 and List2 with identical firstname and surname, and both have NULL email addresses - should the query above pick it up? If not, how can I include those records?
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Feb 21, 2008
I have the following bit of code that is an onclick event to save information in text boxes and list boxes. I cut out a bunch that was irrelevant to this because ALL items in the text boxes save fine. My biggest question that should lead to the answers for the rest of the code, is for lines 53-57... That stored proceedure does not appear to run. All it is set to do is and the code is DEFINITELY getting passed into it but it almost seems like it isnt and therefoe isnt doing anything. I get no errors, just nothing happens. I would of thought at the very least, it should run this proceedure and delete the information from the table even if it wouldnt save the new information based on the listboxes.
I am not sure if I am explaining this correctly, but if anyone has any thoughts, I would greatly appreciate it.
The delete proceedure that isnt actually making a changeALTER PROCEDURE [dbo].[Delete_Team_Data]
(
@Code as int
) AS
DELETE from tblSectyData2 where Code = @Code
DELETE from tblSectyData2 where SectyCode = @Code
The actual code
1
2
3 protected void SaveChanges(object sender, EventArgs e)
4 {
5
6 string selectedEmployee = "";
7 selectedEmployee = EmployeeList.SelectedValue;
8
9
10
11 string fName = "";
12 //Snipped out a bunch of code relating to the text boxes
13 string secretaryCode = "";
14
15 fName = txtFName.Text;
16 //Snipped out a bunch of code relating to the text boxes
17 secretaryCode = TeamList2.SelectedValue.ToString();
18 int selemp = Convert.ToInt32(selectedEmployee);
19
20
21
22
23 String Conn = (string)Application["Facebook"];
24 SqlConnection IntranetConnection;
25 SqlDataReader IntranetReader;
26 IntranetConnection = new SqlConnection(Conn);
27 //SaveEmpChanges works properly.
28 SqlCommand SaveEmpChanges = new SqlCommand("Exec dbo.Edit_Employee_Data '" + prefix + "','" + lName + "','" + fName + "','" + mName + "','" + pos + "','" + dept + "','" + directdial + "','" + ext + "','" + fax + "','" + hphone + "','" + cphone + "','" + partner + "','" + timekeeper + "','" + notary + "','" + practice + "','" + saddress + "','" + sphone + "','" + lnl + "','" + bar + "','" + oemail + "','" + haddresscom + "','" + haddress + "','" + hcity + "','" + hstate + "','" + hzip + "','" + school + "','" + degree + "','" + status + "','" + floor + "','" + code + "','" + email + "','" + language + "'", IntranetConnection);
29 //Delete Team does NOT work
30 SqlCommand DeleteTeam = new SqlCommand("Exec dbo.Delete_Team_Data '" + selemp + "'", IntranetConnection);
31 //GetEmployeeType does work
32 SqlCommand GetEmployeeType= new SqlCommand("Select EmpType from tblMain2 where Code = '" + selectedEmployee + "'", IntranetConnection);
33
34 IntranetConnection.Open();
35 IntranetReader = SaveEmpChanges.ExecuteReader();
36 IntranetReader.Close();
37 IntranetConnection.Close();
38
39
40
41
42 int count = 0;
43 string LinkT = "";
44 string LinkT2 = "";
45
46 string etype = "";
47
48 lselemp.Text = selectedEmployee;
49 //Basically, while the page loads fine, it does NOTHING below this line... Ive comments out sections, I have also put in a bunch of labels in to show the variables being passed, it all seems fine.
50
51
52
53 IntranetConnection.Open();
54 IntranetReader = DeleteTeam.ExecuteReader();
55 IntranetReader.Close();
56 IntranetConnection.Close();
57
58
59 IntranetConnection.Open();
60 IntranetReader = GetEmployeeType.ExecuteReader();
61 while (IntranetReader.Read())
62 {
63 etype = IntranetReader["EmpType"].ToString();
64 }
65 IntranetReader.Close();
66 IntranetConnection.Close();
67
68 int end = Convert.ToInt32(TeamList2.Items.Count);
69 string teamcode = "";
70
71 while (count < end)
72 {
73
74 teamcode = TeamList2.Items[count].Value.ToString();
75
76 if (etype == "S")
77 {
78 LinkT = "Secretary";
79 LinkT2 = "Works with";
80 }
81
82 else if (etype == "O")
83 {
84 LinkT = "Works with";
85 LinkT2 = "Secretary";
86 }
87
88
89
90 //This command does not work
91 SqlCommand saveTeam = new SqlCommand("Exec dbo.Add_Team_Data '" + selemp + "','" + teamcode + "','" + LinkT + "','" + LinkT2 + "'", IntranetConnection);
92
93
94 IntranetConnection.Open();
95 IntranetReader = saveTeam.ExecuteReader();
96 IntranetReader.Close();
97 IntranetConnection.Close();
98
99
100 count++;
101 }
102
103
104
105
106 Response.Redirect("ManageEmployeeDirectory.aspx");
107 }
108
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Aug 8, 2001
Hi,
I have an interesting query problem. The result needs to be a single recordset as from a select statement, here's the prerequisites:
Tables:
tShip
tPerson
tAddress
tCertificate, has a field dtmExp (datetime)
where each Ship has one or more Persons which have one or more Addresses and each ship has one or more certificates.
Now, I need the query to return all ships, all persons and all addresses for those persons BUT ONLY the certificate with the latest expiration date (sort of like the result from a 'select top 1 from tCertificate order by dtmExp desc')
How can this be packed into one query? using inner joins on all tables will return multiple rows for each certficate for a ship, which it must not.
Any help greatly appreciated!
-. Balt
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Dec 10, 2007
I'm trying to create a "Self-Referential, Many-to-Many" relationship under the Database Diagrams section in Sql Server 2005 express and I'm having a heck of a time figuring out where to click and edit to create what I want.
The url below links to the pictorial represenation of what i'm trying to create. Any help is greatly appreciated. Thanks!
http://www.communitymx.com/content/source/A1A63/diag.gif
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Oct 29, 2007
I have SSRS 2005 SP2 configured to work in Sharepoint integration. Everything works fine except that I am not able to programmatically change any property of report viewer web part (instance) that I have added on on home page of my sharepoint site.
I can do same thing via sharepoint UI but not through program. When my programs runs it fetches all web parts been added on home page, then I need to iterate through each one and find report viewer web part.
While iterating, as soon as I arrive to report viewer web part it is named as "Error web part" with error message as
"Windows SharePoint Services cannot deserialize the Web Part. Check the format of the properties and try again"
If someone has a solution, please respond at your earlist.
Thanks
Shankar
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Dec 7, 2007
I have a table with a column named measurement decimal(18,1). If the value is 2.0, I want the stored proc to return 2 but if the value is 2.5 I want the stored proc to return 2.5. So if the value after the decimal point is 0, I only want the stored proc to return the integer portion. Is there a sql function that I can use to determine what the fraction part of the decimal value is? In c#, I can use
dr["measurement "].ToString().Split(".".ToCharArray())[1] to see what the value after the decimal is.
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Jan 28, 2015
I have made the following Scalar-valued function:
CREATE FUNCTION [dbo].[TimeCalc]
(
@OriginalTime AS INTEGER
, @TenthsOrHundredths AS INTEGER -- code 2: 1/10, code 4: 1/100
)
RETURNS NVARCHAR(8)
[Code] ....
What it does is convert numbers to times
E.g.: 81230 gets divided by 10 (times in seconds: 8123). This 1 1 full minute, and the remainder = 2123 making it 1.21.23 mins)
So far so good (function works perfectly)
My question: sometimes times are in 1/100 (like above sample), sometimes in 1/10.
This means that, e.g. with a time like 3.23.40 the last zero must be deleted.
My thoughts are to use the results from the Return Case part, and as the code = 4: leave it as it is,
is the code 2 the use LEFT(... result Return Case ..., Len(..result Return Case.. - 1))
There are 5 codes: 0 1 2 3 and 4
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Jul 20, 2005
Hi,I'm using DB2 UDB 7.2.Also I'm doing some tests on SQL Server 2000 for some statements touse efectively.I didn't find any solution on Sql Server about WITH ... SELECTstructure of DB2.Is there any basic structure on Sql Server like WITH ... SELECTstructure?A Sample statement for WITH ... SELECT on DB2 like belowWITHtotals (code, amount)AS (SELECT code, SUM(amount) FROM trans1 GROUP BY codeUNION ALLSELECT code, SUM(amount) FROM trans2 GROUP BY code)SELECTcode, SUM(amount)FROM totalsGROUP BY code.............................Note: 'creating temp table and using it' maybe a solution.However i need to know the definition of the result set of Unionclause. I don't want to use this way.CREATE TABLE #totals (codechar(10), amount dec(15))GOINSERT INTO #totalsSELECT code, SUM(amount) FROM trans1 GROUP BY codeUNION ALLSELECT code, SUM(amount) FROM trans2 GROUP BY codeGOSELECT code, sum(amount) FROM #totals GROUP BY codeGOAny help would be appreciatedThanks in advanceMemduh
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Jun 15, 2006
For example, the table below, has a foreign key (ManagerId) that points to EmployeeId (primary key) of the same table.
-------Employees table--------
EmployeeID . . . . . . . . . . int
Name . . . . . . . . . . . nvarchar(50)
ManagerID . . . . . . . . . . . int
If someone gave you an ID of a manager, and asked you to get him all employee names who directly or indirectly report to this manager.
How can that be achieved?
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Jun 18, 2008
Hi all, I have the following SQLDataSource statement which connects to my Gridview:<asp:SqlDataSource ID="SqlDataSourceStandings" runat="server" ConnectionString="<%$ ConnectionStrings:ConnectionString %>" SelectCommand="SELECT P.firstName, P.lastName, T.teamName, IsNull(P.gamesPlayed, 0) as gamesPlayed, IsNull(P.plateAppearances,0) as plateAppearances, IsNull( (P.plateAppearances - (P.sacrifices + P.walks)) ,0) as atbats, IsNull(P.hits,0) as hits, P.hits/(CONVERT(Decimal(5,2), IsNull(NullIF(P.atbats, 0), 1))) AS [average], (P.hits + P.walks)/(CONVERT(Decimal(5,2), IsNull(NullIF( (P.atbats + P.sacrifices + P.walks) , 0), 1))) AS [OBP], (P.hits - (P.doubles + P.triples + P.homeRuns) + (2 * P.doubles) + (3 * P.triples) + (4 * P.homeRuns)) / (CONVERT(Decimal(5,2), IsNull(NullIF(P.atbats, 0), 1))) AS [SLG], P.singles, P.doubles, P.triples, P.homeRuns, P.walks, P.sacrifices, P.runs, P.rbis FROM Players P INNER JOIN Teams T ON P.team = T.teamID ORDER BY P.firstName, P.lastName"></asp:SqlDataSource>There are 8 teams in the database, and somehow the average and obp results are as expected for all teams except where T.teamID = 1. This doesn't make sense to me at all! For example, I get the following results with this same query: First NameLast NameTeamGPPAABHAVGOBPSLG1B2B3BHRBBSACRRBI
BrianAustinHope83432230.7187500.7352941.15625014612201221
GabrielHelbigSafe Haven62119141.0000000.9375002.1428576404111519
MarkusJavorSafe Haven82927200.8695650.8000001.21739114501021218
RobBennettMelville83029240.8275860.8333331.55172411904102117
AdamBiesenthalSafe Haven82929210.9130430.9130431.56521712631001015
ErikGalvezMelville82625180.7200000.7307691.24000011322101015 As you can see, all teams except for Safe Haven's have the correct AVG and OBP. Since AVG is simply H/AB, it doesn't make sense for Gabriel Helbig's results to be 1.00000. Can anyone shed ANY light on this please?Thank you in advance,Markuu ***As a side note, could anyone also let me know how I could format the output so that AVG and OBP are only 3 decimal places? (ex: 0.719 for the 1st result)***
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Sep 6, 2004
Hello,
I want to kow if the following architecture is good :
Disque 1&2 ( Raid 1)
c: OS
d: sqlserver + system tables + log files
Disque 3&4&5 (Raid 5)
e: data
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Sep 29, 2004
Hi,
Someone can tell me if the following architecture is good :
f:master db
g:soft db + log
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Dec 18, 2007
where can we get to know the architecture of sqlserver 2005
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Mar 23, 2000
Table Name= t1
uid subject marks
1 physics 68
1 chemistry 70
1 maths 80
1 english 75
2 physics 78
2 chemistry 56
2 maths 68
2 english 59
3 physics 54
3 chemistry 67
3 maths 77
3 english 59
query: i need sum of marks of physics,chemistry and maths
of each uid (english not included)
Thanks in Advance
Harry
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Jan 22, 2001
We have database thats transaction intensive, so we are trying to sepetrare ldf file from mdf file to a different disk array. what raid should I use for the Transactional log file(.ldf).
Thank You,
John
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Apr 2, 1999
I would like to know where I can find a senior database architect. Someone who can develop
and implement the database and its stored procedures. I am looking for an experienced person.
It is a contract position, in San Franicisco. The pay is good. Could anyone help me?
I tried Dice, Monster and it seems all of you are working...
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Jun 2, 2004
I am replacing the corporate SQL Server at work. The new server will have 6 striped disks of 160G with about 4G of RAM. The current SQL Server currently has two instances which run web applications and a small database warehouse about 6G. Analysis Services is also installed.
Due to a couple of new apps being added to the server and the SQL Server 2000 enterprise license we acquired, i was thinking of adding 2 more instances so that the applications can be independently managed in terms of restarting the SQL Server. I also would like to permanently fix the memory settings on each instance to give more resources to more important applications. The log and data files would also be spilt onto 2 separate hard disks. i understand there are implications on performance such as CPU etc. Is it normally advisable to have more than 1 or 2 instances ? Most of the applications are not very CPU intensive. What other implications or performance issues would l have ?
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Sep 1, 2006
We will be creating a moderately high-volume OLTP database application that needs 24/7 availability. We are planning to offload OLAP processing to a second copy of the system. We will be using SQL Server 2005.
I originally planned to set the second server up with SQL Server 2005 mirroring to cover the 24/7 availability requirement, with the idea that we could also do OLAP reporting off of the mirrored copy of the database. But I've gotten some indications that a mirror database is offline and not available for querying. So I figured I would use transactional replication to keep the OLAP database current. Now I am wondering if I need to use mirroring at all, or if I should just use transactional replication on the entire database and swap to the replicated database if the production server crashes.
What is everyone's opinion?
Replication only, for both OLAP reporting and failover?
Mirroring to one database for failover, with replication to a another database for OLAP reporting?
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Feb 21, 2004
Hello, Everyone:
What duties are included within SQL Server Architecture? Thanks a lot.
ZYT
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May 13, 2008
Can any one of you please explain the SQL architecture in a short..
Or can you give me the link, so i can refer it..
Its very urgent..
Pls help me..
Thanks In Advance
Ganesh
Solutions are easy. Understanding the problem, now, that's the hard part
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Jun 14, 2007
We are designing a SQL Server architecture that will need to handle a lot of inserts and many users.
We are not sure what approach to take if we should build a distributed server architecture with a Single Master SQL and many Slave SQL Servers.
Or if we should get a really powerful machine with many processers to handle all the connections.
We project we will have about 5,000 Inserts per sec coming from 500,000 users.
What do you think or what has your previous experience been with handling many inserts and few reads for many users?
Thank you
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Oct 20, 2007
Hi there,
My question is more "architectural" than technical.
One of our standard is to systematically enclose the code of our stored proc within a TRY/CATCH block.
What is your point of view?
Should a TRY/CATCH be included even for simple operations?
Are there any drawbacks?
Thanks!
EDIT: Thanks for your input.
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Jun 29, 2007
I've implemented a solution with application, database and report server on seperate machines. The application is a web app and is Internet facing. What is the best method for executing reports on the RS server that are initiated from the web server? Using URL access requires a login or anonymous access neither of which are desired. Web services works but I loose access to the toolbar. Is there some other way to pull this off where I can let the public access reports and give them access to the toolbar?
Thanks.
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Jun 5, 2007
In a situation where one may have a single master SQL Server that ultimately needs to communicate information back down to 1000's of downstream servers, what is the recommended architectural approach?
It doesn't feel right to have to add 1K-5K routes to the master SQL Server. Is there a way to have the dowstream servers "broadcast" their existence to the master, so that new servers can be added and updates can happen seamlessly? Does this fall into a pub-sub scenario or is there a better way? And, if so, how to ensure an open conversation (so that one server doesn't miss information that all the other servers received)? Should the master dynamically create routes or better to rely on an open conversation initiated by the downstream server?
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Dec 31, 2007
Hi Everybody ,
Could Anybody please explain in detail about the Achitecture of Sql server reporting services?
1) What a Report processor in detail and what it does?
2) What is the exact work of Extensions?
3)What is SOAP and WMI?
Thanks in Advance
Mahasweta
happy new year
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May 31, 2007
hi
i am haveing 1.5 years exp in asp.net(c#),i want to improve my knowlege in Database Architecture (datmodeling,uml,normalization,etc..).could anyone suggest me course or any books
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May 23, 2007
I have the following stored procedure:
INSERT INTO MyTable ( Value1, Value 2)
VALUES( @Value1, @Value2)
SELECT SCOPE_IDENTITY()
How do I put this sp in the DAL typed dataset, so I can get the Identity value in the Business Layer?
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