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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[check to show more options] Type 2





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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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Below are the two tables (with sample records) that I am trying to include into my query:

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[Journal_Splits] (ID, JournalID, AccountID, Amount, Type)
1, 1, 11, 19.95, 2
2, 1, 8, 24.99, 2
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The AccountID refers to another account table that holds income and expense categories such as Groceries, Leisure, Clothing, Household, etc...

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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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