Complex Sql Server 2005 Query
Nov 8, 2007
Hi,
A sql server table is populated with records every 2 minutes. See below sample table
In the table, the Import_Date is a datetime field.
create table tblData
(
ID int identity(1, 1),
SourceID int,
SourceCode varchar(255)
Security varchar(255),
Bprice decimal(12, 8),
Aprice decimal(12, 8),
ImportDate datetime
)
Here is a populated table.
I have left gaps for better visual checks for you.
IDSourceIDSourceCodeSecurityBpriceBpriceSizeApriceApriceSizeImportDate
11sourceASecA100.2299.1212007-11-07 16:24:31.297
22sourceWSecH95.789.432007-11-07 16:24:31.297
33SourceXSecS50.56176.4442007-11-07 16:24:31.297
44SourceQSecZ87.982007-11-07 16:24:31.297
55SourceJSecH100.299.1222007-11-07 16:24:31.297
66SourceKSecU2007-11-07 16:24:31.297
77SourceTSecA50.56387.112007-11-07 16:24:31.297
81sourceASecA100.2699.1222007-11-07 16:26:15.123
92sourceWSecH99.54489.432007-11-07 16:26:15.123
103SourceXSecS50.56219.332007-11-07 16:26:15.123
114SourceQSecZ16.9887.982007-11-07 16:26:15.123
125SourceJSecH100.2199.1222007-11-07 16:26:15.123
136SourceKSecU2007-11-07 16:26:15.123
147SourceTSecA50.56287.1112007-11-07 16:26:15.123
151sourceASecA100.2187.1112007-11-07 16:26:15.123
162sourceWSecH99.6689.4322007-11-07 16:26:15.123
173SourceXSecS50.56219.332007-11-07 16:26:15.123
184SourceQSecZ16.98387.9832007-11-07 16:26:15.123
195SourceJSecH100.2399.1232007-11-07 16:26:15.123
206SourceKSecU2007-11-07 16:26:15.123
217SourceTSecA101.32587.1132007-11-07 16:26:15.123
...
I am trying to build a sql query to show which source is offering the max(Bprice) and who is offering the min(Aprice).
In addition if more than one sources are offering the same prices then they should be shown as shown below in the first record i.e. (SourceA, SourceT) --> 3 + 1 = 4
This is what I would like to see:
SecurityMax_BpriceBprice_SizeBprice_SourceCodeMin_ApriceAprice_SizeAprice_SourceCode
SecA101.325SourceT87.114SourceA, SourceT
SecH100.23SourceJ89.432SourceW
SecS50.562SourceX19.33SourceX
SecZ16.983SourceQ87.983SourceQ
What is the sql query to do this please?
This is what I have started with but it is not correct...
select
Security,
max(Bprice) as 'Max_Bprice',
SourceCode as 'Bprice_SourceCode',
min(Aprice) as 'Min_Aprice',
SourceCode as 'Aprice_SourceCode'
from
tblData
group by
Security,
SourceCode
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Oct 6, 2006
Hello,I have a Database in a SQL Server 2000 where I have different userstables with equal fields like this:id (int)email (varchar)name (varchar)address (varchar)joinedon (datetime)I want to merge all the tables in one taking rows with the same emailbut taking always the more recent fields based on the 'joinedon' field.So if I have this four different rows:Tbl email name address joinedon--------------------------------------------------------------------------------------------T1 Join Bytes! johnathan NULL 01/01/95T2 Join Bytes! NULL barcelona street 01/01/98T3 Join Bytes! john valencia street 01/01/97T4 Join Bytes! john Q NULL 01/01/99And the final row entered in the new table would beTbl email name address joinedon----------------------------------------------------------------------------------------new Join Bytes! john Q barcelona street 01/01/99I am trying doing his with union statements, but i am not getting thereal merging of data. Any clue?Thanks for your help.
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Mar 5, 2015
do you have a general rule of thumb for breaking a complex query into temp tables? For someone who is not a sql specialist, a query with more than a few table joins can be complex. So a query with 10+ table joins can be overwhelming for someone who is not a sql specialist.
One strategy is to break a problem into pieces so to speak by grouping together closely related tables into temp tables and then joining those temp tables together. This simplifies complex SQL and although not as performant as one big query it's much easier to understand. So do you have a general rule of thumb as far as a threshold for the number of joins you include in a query before you break the query into temp tables?
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Dec 13, 2007
I am not very good in queries. Could you please suggest me some web site/Tutorial/Artical where i can get Study Material for complex and real life queries. I know the syntexes, I just need to practice queries to enhance my skills
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Jan 6, 2007
I've written a lot of queries in the past, but I'm having a lot of trouble with this one.
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Mar 19, 2007
I'm sure there is a way of cracking this, but I can't think of a good solution. Right now I am not happy with the solutions I come up with, one of which takes 4 minutes to run on SQL Server
The scenario: User is presented with search page where one or more search terms can be entered/selected. There are no required parameters. It can be any or all of the possibilities presented. Below is a model of the search parameters presented.
The user will either select to show more options under Profile ABC, or go down to Profile STU or Profile XYZ to show more options, or even select all Profiles and then select from Type 1 and either a. or. b. or. c. or ALL of the above.
I cannot predict what a user will make part of the search query so I have to have a stored procedure ready which can handle any or all of the parameters a user may select.
Am I biting off more than I can chew (it seems so)? Or is there an elegant way of handling the unknown combination of search parameters that a user might throw into my sql query?
I'm running this under ASP 1.0 and SQL Server 2000.
[check to show the options below] Profile ABC
[check to shore more options] Type 1
A. Contains fields for entering another data string and selecting from drop-down boxes
B. ditto
C. ditto
D. ditto
[check to show more options] Type 2
A. Contains fields for entering another data string and selecting from drop-down boxes
B. ditto
C. ditto
D. ditto
[check to show more options] Type 3
A. Contains fields for entering another data string and selecting from drop-down boxes
B. ditto
C. ditto
D. ditto
[check to select more options] Type 4
A. Contains fields for entering another data string and selecting from drop-down boxes
B. ditto
C. ditto
D. ditto
[check to show more options] Profile XYZ (as above)
[check to select more options] Profile STU (as above)
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Oct 30, 2007
HI.
I have 3 tables
1- std with : stdID , programID.
2- Programs with :ProgramID , Cost
3 - Movements with : stdID , balance.
the first table contain the stdID and ProgramID , some times the std hasn't programID that mean he hasn't programID. then we return null.
if the std has programID there is to cases.
the first one he have a movement on his balance then we get the biggest balance for the std.
the second case he hasn't any moventen then we get his balance from Programs table by the ProgramID .
I need sql server function that return table like this
stdID , Balance
that means every std with his Balance.
Regards.
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May 13, 2008
This is too complex anyone know how to make it less complex.
I am trying to get all the selected fields from contacts into a datagrid where the other fields contain a string in textbox1.
This works
SELECT [company], [contactname], [emailaddress], [secondemailaddress], [phonenumber], [webpage] FROM [contacts] WHERE (([AB] LIKE '%' + ? + '%') AND ([AL] LIKE '%' + ? + '%'))
When i add all the rest of the fields it says its too complex. Please Help
SELECT [company], [contactname], [emailaddress], [secondemailaddress], [phonenumber], [webpage] FROM [contacts] WHERE (([AB] LIKE '%' + ? + '%') AND ([AL] LIKE '%' + ? + '%') AND ([B] LIKE '%' + ? + '%') AND ([BB] LIKE '%' + ? + '%') AND ([BD] LIKE '%' + ? + '%') AND ([BA] LIKE '%' + ? + '%') AND ([BH] LIKE '%' + ? + '%') AND ([BL] LIKE '%' + ? + '%') AND ([BN] LIKE '%' + ? + '%') AND ([BR] LIKE '%' + ? + '%') AND ([BS] LIKE '%' + ? + '%') AND ([BT] LIKE '%' + ? + '%') AND ([CA] LIKE '%' + ? + '%') AND ([CB] LIKE '%' + ? + '%') AND ([CF] LIKE '%' + ? + '%') AND ([CH] LIKE '%' + ? + '%') AND ([CM] LIKE '%' + ? + '%') AND ( LIKE '%' + ? + '%') AND ([CR] LIKE '%' + ? + '%') AND ([CT] LIKE '%' + ? + '%') AND ([CV] LIKE '%' + ? + '%') AND ([CW] LIKE '%' + ? + '%') AND ([DA] LIKE '%' + ? + '%') AND ([DD] LIKE '%' + ? + '%') AND ([DE] LIKE '%' + ? + '%') AND ([DG] LIKE '%' + ? + '%') AND ([DH] LIKE '%' + ? + '%') AND ([DL] LIKE '%' + ? + '%') AND ([DN] LIKE '%' + ? + '%') AND ([DT] LIKE '%' + ? + '%') AND ([DY] LIKE '%' + ? + '%') AND ([E] LIKE '%' + ? + '%') AND ([EC] LIKE '%' + ? + '%') AND ([EH] LIKE '%' + ? + '%') AND ([EN] LIKE '%' + ? + '%') AND ([EX] LIKE '%' + ? + '%') AND ([FK] LIKE '%' + ? + '%') AND ([FY] LIKE '%' + ? + '%') AND ([G] LIKE '%' + ? + '%') AND ([GL] LIKE '%' + ? + '%') AND ([GU] LIKE '%' + ? + '%') AND ([GY] LIKE '%' + ? + '%') AND ([HA] LIKE '%' + ? + '%') AND ([HD] LIKE '%' + ? + '%') AND ([HG] LIKE '%' + ? + '%') AND ([HP] LIKE '%' + ? + '%') AND ( LIKE '%' + ? + '%') AND ([HU] LIKE '%' + ? + '%') AND ([HX] LIKE '%' + ? + '%') AND ([IM] LIKE '%' + ? + '%') AND ([IP] LIKE '%' + ? + '%') AND ([IV] LIKE '%' + ? + '%') AND ([JE] LIKE '%' + ? + '%') AND ([KA] LIKE '%' + ? + '%') AND ([KT] LIKE '%' + ? + '%') AND ([KW] LIKE '%' + ? + '%') AND ([KY] LIKE '%' + ? + '%') AND ([L] LIKE '%' + ? + '%') AND ([LA] LIKE '%' + ? + '%') AND ([LD] LIKE '%' + ? + '%') AND ([LE] LIKE '%' + ? + '%') AND ([LL] LIKE '%' + ? + '%') AND ([LN] LIKE '%' + ? + '%') AND ([LS] LIKE '%' + ? + '%') AND ([LU] LIKE '%' + ? + '%') AND ([M] LIKE '%' + ? + '%') AND ([ME] LIKE '%' + ? + '%') AND ([MK] LIKE '%' + ? + '%') AND ([ML] LIKE '%' + ? + '%') AND ([N] LIKE '%' + ? + '%') AND ([NE] LIKE '%' + ? + '%') AND ([NG] LIKE '%' + ? + '%') AND ([NN] LIKE '%' + ? + '%') AND ([NP] LIKE '%' + ? + '%') AND ([NR] LIKE '%' + ? + '%') AND ([NW] LIKE '%' + ? + '%') AND ([OL] LIKE '%' + ? + '%') AND ([OX] LIKE '%' + ? + '%') AND ([PA] LIKE '%' + ? + '%') AND ([PE] LIKE '%' + ? + '%') AND ([PH] LIKE '%' + ? + '%') AND ([PL] LIKE '%' + ? + '%') AND ([PO] LIKE '%' + ? + '%') AND ([PR] LIKE '%' + ? + '%') AND ([RG] LIKE '%' + ? + '%') AND ([RH] LIKE '%' + ? + '%') AND ([RM] LIKE '%' + ? + '%') AND ([S] LIKE '%' + ? + '%') AND ([SA] LIKE '%' + ? + '%') AND ([SE] LIKE '%' + ? + '%') AND ([SG] LIKE '%' + ? + '%') AND ([SK] LIKE '%' + ? + '%') AND ([SL] LIKE '%' + ? + '%') AND ([SM] LIKE '%' + ? + '%') AND ([SN] LIKE '%' + ? + '%') AND ([SO] LIKE '%' + ? + '%') AND ([SP] LIKE '%' + ? + '%') AND ([SR] LIKE '%' + ? + '%') AND ([SS] LIKE '%' + ? + '%') AND ([ST] LIKE '%' + ? + '%') AND ([SW] LIKE '%' + ? + '%') AND ([SY] LIKE '%' + ? + '%') AND ([TA] LIKE '%' + ? + '%') AND ([TF] LIKE '%' + ? + '%') AND ([TN] LIKE '%' + ? + '%') AND ([TQ] LIKE '%' + ? + '%') AND ([TR] LIKE '%' + ? + '%') AND ([TS] LIKE '%' + ? + '%') AND ([TW] LIKE '%' + ? + '%') AND ([UB] LIKE '%' + ? + '%') AND ([W] LIKE '%' + ? + '%') AND ([WA] LIKE '%' + ? + '%') AND ([WC] LIKE '%' + ? + '%') AND ([WD] LIKE '%' + ? + '%') AND ([WN] LIKE '%' + ? + '%') AND ([WR] LIKE '%' + ? + '%') AND ([WS] LIKE '%' + ? + '%') AND ([WV] LIKE '%' + ? + '%') AND ([YO] LIKE '%' + ? + '%'))
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May 20, 2008
hi how are you please help me in my problem which i can't make it.
Now, i have a project in ASP.NET and SQL Server 2005. let's call the project an image gallery, in my project i have a table named "Category" in which all the categories are in this table. also while adding a new category a new table will be created automatically with the name of that category.
now, what i want is that to build a query that reads the contents of the tables that the tables name are the names of the each record in the "Category" table.
is that possible ?
please if any one help can me in my problem.
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Feb 10, 2004
I have the following SQL 2000 database table:
NEWS (IDNews, Country, PublishDate, Title)
I have to get a dataset containing only one record for each country, having most recent publish date.
Any suggestions? Thanks.
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Feb 8, 2005
I have 2 tables, say table1, and table2. There is a DocID (primary key) in table1. In table2, DocID is the foriegn key. There can be more than 1 DocID.
this is the table structure (sample)
Table 1:
DocID DocName OtherID etc
1 test 2
2 test2 3
Table2:
TblID DocID OtherID
1 1 10
2 1 13
3 1 25
how do I join these two tables, such that I get all the otherID's for each DocID.
ie.,
DocID OtherID
1 2 and 10 and 13 and 25
2 3
i am writing this query to display search results on a search page (with keyword search) and so, if I display the result in more than one row, then the user might think that there is more than document...whereas the case is that there is only one document with more than one other ID's.
is there any way I can do this? display...more than 1otherID in the same row for the same DociD?
Currently, I am using a left outer join of table1 and table2.
An suggestions on how to do this?
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Oct 1, 2005
I cant get "order by" to work in this sql query..I use this query:
"SELECT DISTINCT TOP 12 name,total = COUNT(*) FROM products where kat = 'music' group by namn"and I want to add this some where to get 12 random records: "ORDER BY NewID()"I tried this: "SELECT DISTINCT TOP 12 name,total = COUNT(*) FROM products where kat = 'music' group by namn ORDER BY NewID()"" but get the error:"ORDER BY items must appear in the select list if SELECT DISTINCT is specified"I can´t figure out how I should write the query..Somebody have any ideas??/Radiwoi
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Apr 11, 2003
Hi,
I need a way to retrieve records from a table with a 30 min interval between the records.
For e.g., Lets say I have the following data in a table :-
userid hitdt
1 4/1/2003 10:00 AM
1 4/1/2003 10:15 AM
1 4/1/2003 10:31 AM
1 4/1/2003 11:10 AM
1 4/1/2003 11:30 AM
1 4/1/2003 11:41 AM
I need a query which would return me the following recordset :-
userId hitId
1 4/1/2003 10:00 AM
1 4/1/2003 10:31 AM
1 4/1/2003 11:10 AM
1 4/1/2003 11:41 AM
Is there a way to do this without using a cursor ?
Thanks
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Jun 10, 2005
Code:
ID GroupID User
1 101 Tom
2 101 Mark
3 101 Clark
4 102 Tom
5 102 Mark
6 103 Tom
7 103 Clark
8 104 Tom
9 104 Clark
10 105 Tom
11 105 Bred
the users of Group 101 are Tom,Mark,Clark
the users of Group 102 are Tom,Mark
the users of Group 103 are Tom,Clark
the users of Group 104 are Tom,Clark
the users of Group 105 are Tom,Bred
I want to show Tom that
Both You and Clark are together in 3 groups
Both You and Mark are together in 2 groups
Both You and Bred are together in 1 group
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Jan 27, 2007
I might have to redesign the tables for this, but I'll ask anyway. I have a table with the following fields:
Email - VarChar
Seminar - Int
PeckingOrder - Int.
As I add addresses to the table, each one has a Seminar, and then each Seminar has a Pecking Order Value. If an email address shows up for more than one seminar, it can have multiple records. IE:
email1 - 1523 - 424
email1 - 1526 - 124
email1 - 1524 - 235
email2 - 1526 - 124
email2 - 1524 - 235
for address, seminar, and pecking order would be sample entries into the table. Give or Take 1000 records in the table at any given time. What I want to pull out is:
Distinct Email Addresses
For each Email Address - The Max(PeckingOrder)
And the Seminar that's associated with Max(PeckingOrder)
For the sample data set above, I'd want to see these two records returned by the query:
email1 - 1523 - 424
email2 - 1524 - 235
I can't seem to get the Having / Where clause right to pull those two records properly. Anyone have any suggestions?
Thanks,
--Daniel
Edited - Didn't realize the BB removed email addresses.
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Oct 10, 2007
Code:
SELECT
goto_last_name as 'Manager',
advisor_name,
advisor_ao_number as 'AO',
COUNT (CASE advisor_termination_date WHEN '<Null>' THEN 1 END) as '#Advisors',
SUM(Weekly_TOS_GDC) as 'TOS GDC'
FROM weekly_condensed_tb
WHERE advisor_platform_number = 1
AND report_date BETWEEN CAST(CONVERT(VARCHAR,'9/11/2007',112) AS DATETIME) -28
AND CAST(CONVERT(VARCHAR,'9/11/2007',112) AS DATETIME)
GROUP BY goto_last_name,advisor_ao_number,advisor_name
HAVING COUNT (CASE advisor_termination_date WHEN '<Null>' THEN 1 END) > 1
In the query above i select a range from the date - 28 days and do a sum on the TOS GDC column. What i am trying to do is have another query where the range will be - 56 and maybe - 86 so i get the SUMS for that as well. I need to display this in SQL Reporting Services and i can only have one DataSet returned otherwise i will not be able to bind it to one table.
How can i go about this so i return one set of data for 3 different date ranges.
Thanks
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Jun 2, 2004
I'm struggling with a syntax error in my sp. I'm hoping someone can give it a fresh look and straighten me out. Thanks.
Background:
1. The innermost query (using the dynamic statements) will run fine on its own.
2. I can wrap that in another query (with the innermost as a DERIVEDTBL) and it will run fine UNLESS I apply the GROUP BY. Then I get syntax errors.
3. Also, the entire query runs fine as a view (with hard coded vals for column and value).
4. I don't know what kind of formatting this message will apply, so just know that I've checked my line truncations and they all include a trailing '+. Also, I know that Occured is misspelled. That is the correct object name. Not all our DB admins are lit majors.
Here's the code:
CREATE PROCEDURE [dbo].[sp_ninetydayavgtotals]
@column nvarchar(100),
@value smallint
AS
DECLARE @SelectString nvarchar(500)
SET @SelectString = 'SELECT AVG(total_attacks) AS avg_attacks ' +
'FROM (SELECT TOP 100 PERCENT thedate AS [day], COUNT(total) AS total_attacks, SUM(enemyKIA) AS EKIA, SUM(enemyWIA) AS EWIA, SUM(coalitionKIA) AS CKIA, SUM(coalitionWIA) AS CWIA ' +
'FROM SELECT(TOP 100 PERCENT CONVERT(nvarchar, dateOccured, 11) AS thedate, txtCategory AS total, enemyKIA, enemyWIA, coalitionKIA, coalitionWIA ' +
'FROM dbo.v_maindata ' +
'WHERE (CONVERT(nvarchar, dateOccured, 11) > CONVERT(nvarchar, (getdate()-90), 11)) AND (CONVERT(nvarchar, dateOccured, 11) != CONVERT(nvarchar, getdate(), 11)) AND ' + @column + ' = @value ' +
'ORDER BY dateOccured DESC) DERIVEDTBL ' +
'GROUP BY thedate ' +
'ORDER BY thedate DESC) DERIVEDTBL'
EXEC sp_executesql @SelectString, N'@column nvarchar(100), @value smallint', @column, @value
GO
-------------------------------------------------------------------------
Owen Eustice
MNC-I Webmaster
Victory Base South
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Aug 11, 2004
Result of the select from dbUsers is
db_name User Group
DB1 U1 db_datareader
DB1 U1 db_datawriter
DB1 U1 db_ddladmin
Db2 U1 db_dataReader
Db2 U1 db_datawriter
Db2 U2 db_dataReader
Db2 U2 db_datawriter
I somehow want it in a way so that the Db_name and USer_name are not repeated .
IS it possible ?
thanks
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Oct 29, 2004
Hi,
I have a sql table with corpcode, EmpName, rate, reportdate and Amount fields. I need to write a query that can return corpcode, EmpName, rate and sum of Amount for January, Sum of Amount for Feburary, Sum of Amount for March, Sum of Amount for April, ..........., Sum of Amount for December, Total for All months, Average for all months.
I tried few option, it didn't work for me, Is it possible to do? Have some tried like this earlier?
Thanks!
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Feb 23, 2005
Hi,
I want to create a query with which I must compare the production demands with the production results. The production demands can be get by the join of two tables. The production results can be get from an aggregate of 4 tables. The connection of these two objects rely on two fields that exist in both two objects. In order to show all the production demands I must left join the two fields from the demands object to the two fields exist in the aggegate production object. In MsAccess the only way to do it is to create 2 queries one for the demands and one aggregate for the production and in a third query create two left joins from the demands query to the production query and get the right results. How can I do it with MSSQL Server with a query??
Best Regards,
Manolis
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Mar 6, 2007
I have database like below.
BLOG
--POSTER_ID
--POSTED_BY (a FK refer to USERID)
--UPDATED_BY (a FK refer to USERID)
USER
--USER_ID
--NAME
I want to retrieve the info for all posts that posted and updated by different users, also the query returns both user names for every posted and updated action.
I can write two queries to do that
select B.POSTER_ID, U.NAME from Blog B inner join USER U ON B.POSTED_BY = U.USER_ID
select B.POSTER_ID, U.NAME from Blog B inner join USER U ON B.UPDATED_BY = U.USER_ID
Then write some code to combine the result for the posted and updated user name. But this is not efficient.
I am wondering how can I write one query to archeive that?
Thanks.
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May 22, 2007
Hi Guys Hope you can help with this - it's certainly got me scratching my head. I'm Querying a Call Centre Database I have a Table of Call Data with a Start Time & End Time of the Call. (CallID,Started,Ended)10942086 2007-04-01 00:01:09.000 2007-04-01 00:11:31.0001003855355 2007-04-01 00:01:24.000 2007-04-01 00:01:24.00010942071 2007-04-01 00:01:25.000 2007-04-01 00:02:43.00010942271 2007-04-01 00:02:57.000 2007-04-01 00:05:01.00010942283 2007-04-01 00:05:54.000 2007-04-01 00:06:50.00010942079 2007-04-01 00:07:15.000 2007-04-01 00:07:46.00010942287 2007-04-01 00:07:30.000 2007-04-01 00:08:12.00010942289 2007-04-01 00:07:49.000 2007-04-01 00:08:33.000I'm trying to produce Stats that tell me how many Calls were live in any one given minute. Ultimately I will be producing a Line Graph of No of Calls Connected grouped by Minute. I've gone as far as creating a temp table with every minute in a month with the following query maybe to join to but not sure if this will help me. WHILE(@cnt <= 43200)BEGINSELECT @MaxDate =DATEADD(mi,1,MAX(DTBlock))FROM AprilMinutesINSERTINTO AprilMinutes VALUES(@MaxDate,NULL)SET @cnt = @Cnt +1 ENDWhich produces a nifty little table with 01/04/2007 00:09:0001/04/2007 00:10:0001/04/2007 00:11:0001/04/2007 00:12:0001/04/2007 00:13:0001/04/2007 00:14:0001/04/2007 00:15:0001/04/2007 00:16:00 If one individual Call Spans 2 minutes I'll count it as 1 in the first minute & 1 in the second minute. Overall I'm trying analyze how many telephone lines we need Any Help much, much appreciated Thanks GW
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Mar 31, 2004
Hi all,
I am developing an application using SQL Server as Back-end. I am facing a problem in creating a SQL Query. The details are as follows:
There are three tables in the Database, Data Type of all Columns is Numeric in all three tables:
1. T1
(column names and sample data)
en
==
1
2
3
2) T2
(column names and sample data)
en gn
== ==
1 10
1 11
2 10
2 12
2 13
3) T3
(column names and sample data)
en pn
== ==
1 20
1 21
1 22
2 20
Now I have to create a SQL Query, whereby I can get the following result:
en gn pn
== == ==
1 10 20
1 11 21
1 NULL 22
2 10 20
2 12 NULL
2 13 NULL
I have tried various combination of Joins, but unable to get the desired result as the tables have many-to-many relationships, therefore I get many duplicate rows in the result. UNION will not solve the problem, as that will add the additional rows for the third table. Although I can achieve this by writing few lines of code, but I have to create a SQL Query for getting this result. Kindly tell me the way for creating the required Query for this. Many Thanks for your help.
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May 20, 2008
Now, i have a project in ASP.NET and SQL Server 2005. let's call the project an image gallery, in my project i have a table named "Category" in which all the categories are in this table. also while adding a new category a new table will be created automatically with the name of that category.
now, what i want is that to build a query that reads the contents of the tables that the tables name are the names of the each record in the "Category" table.
Kamran Shahid
Sr. Software Engineer(MCSD.Net)
www.netprosys.com
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Apr 10, 2006
Table Name: Story
Table Columns: user_id, date, name, yr_left, city_origin, country_origin, yr_arrival, city_arrival, state_arrival, address, city, state, zip, AorV (audio or video), filename, approved
I need to create two queries. One based on date in descending order, and one based on country_origin in alphabetical order. For both of these queries, the approved field has to = Y for yes, and when I return results I need it to return everything in the table EXCEPT for the name.
I'm a beginner at SQL queries so I was hoping someone could shed some light and help me??? Thanks a bunch!
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Jan 24, 2007
Below are the two tables (with sample records) that I am trying to include into my query:
[Journal] (ID, EntryDate, Description)
1, 1/24/2007, Fred Meyer
[Journal_Splits] (ID, JournalID, AccountID, Amount, Type)
1, 1, 11, 19.95, 2
2, 1, 8, 24.99, 2
3, 1, 3, 5.49, 2
The AccountID refers to another account table that holds income and expense categories such as Groceries, Leisure, Clothing, Household, etc...
I want to create a query that will return the following:
[JE Query]
ID, EntryDate, Comment, Income, Expense
ID, EntryDate and Comment are all easily returned from the [Journal] table. The problem I am having is with the Income and Expense fields. For the Income field, I want to SUM the Journal_Split.Amount fields where Journal_Splts.JEID = Journal.ID AND where Journal_Splits.Type = 1 (1 being the code for Income). The Expense field is just the same, except the Journal_Splits.Type will be equal to 2. When the query is done there should only be as many rows as there are in the [Journal] table, for the [Journal_Splits] table can contain up to 3 records for each [Journal] record. [Journal_Splits] just holds the individual amounts split out to different income/expense categories for a single transaction.
This to me has a lot of conditions that I can't even seem to build with access's query builder (yes I am using access for now.. will change over to sql at a later time).
Anyone have a good idea how to do this? Or have a better idea for structuring the database to make is easier to query? Right now I have it working, but instead of an Amount field, I have 1 Income and 1 Expense field, but since a transaction can only be either income or expense, one field will always be 0, which seems like a waste of space.
That may be a bit confusing so let me know if I can clarify. Much appreciated.
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