2nd Largest Or 2nd Smallest Element ?
Dec 20, 2007Hey
Its easy to get the MAX or MIN from a table,
but what if you want to get the 2nd largest ? or 2nd smallest ?
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View 1 Replies View RelatedSSIS- The Element Cannot Be Found In A Collection. This Error Happens When You Try To Retrieve An Element From A Collection On A
May 19, 2008hi,
this is sanjeev,
i have SSIS package, using my c# program i want to add one execute package task to this package's sequence container.
it is creating the new package with out any probelm. but when i opened the package and try to move the newly created exeute package task it is giving the following error.
the element cannot be found in a collection. this error happens when you try to retrieve an element from a collection on a container during the execution of the package
this is my code
{
Package pkg = new Package();
string str = (string)entry.Key;
pkg.Name = str;
alEntity = (ArrayList)entry.Value;
ConnectionManager conMgr;
Executable chPackage;
TaskHost executePackageTask;
Microsoft.SqlServer.Dts.Runtime.Application app = new Microsoft.SqlServer.Dts.Runtime.Application();
//string PackagePath = @"c:Genesis.dtsx";
//p = app.LoadPackage(PackagePath, null);
p = new Package();
p.LoadFromXML(parentPackageBody, null);
p.Name = str;
//Sequence seqContainer;
IDTSSequence seqContainer;
//seqContainer = (Sequence)p.Executables["Extract Genesis Data"];
seqContainer = ((Sequence)p.Executables[0]);
string packageLocation = @"Geneva Packages";
conMgr = p.Connections["SQLChildPackagesConnectionString"];
foreach (string val in alEntity)
{
if (seqContainer.Executables.Contains("Load_" + val) == false)
{
chPackage = seqContainer.Executables.Add("STOCK:ExecutePackageTask");
executePackageTask = (TaskHost)chPackage;
executePackageTask.Name = "Load_" + val;
executePackageTask.Description = "Execute Package Task";
executePackageTask.Properties["Connection"].SetValue(executePackageTask, conMgr.Name);
executePackageTask.Properties["PackageName"].SetValue(executePackageTask, packageLocation + ddlApplication.SelectedItem.Text + @"" + executePackageTask.Name);
}
}
app.SaveToXml(Server.MapPath("../SynchronizeScript/Packages/" + ddlApplication.SelectedItem.Text + @"") + str + ".dtsx", p, null);
}
please let me know what is the wrong in my code.
thanks in advance.
regards
sanjeev bolllina
sanjay.bollina@gmail.com
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May 20, 2007I have met up a problem. How to i get the second smallest value instead of the smallest value in a table using min(). Any other function rather than min()?
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I have a sql query which gives me the result set with lots of columns and rows.
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------- 534534 8743857
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Nov 5, 2007
Hi
Please help! I'm really stuck. I have a table (AssessorAllocations) that stores the data of students who have submitted assessments for marking by an Assessor. Each time an assessment is submitted by a student my program must determine which Assessor has the smallest workload and then assign the current assessment to that Assessor. My problem is how do I determine which Assessor has the smallest number of assessments assigned to him/her.
The table columns are:
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Sep 21, 2000I want to find 3rd largest value from the table. i.e
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Col1 Col2 col3
1 Name 1000
2 Name 2000
3 Name 1500
4 Name 500
so i want sql statement that gives me output....
Col1 Col2 col3
2 Name 2000
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SELECT DISTINCT
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ORDER BY EVENT_SEQUENCE_NUMBER DESC) AS RN
FROM PAYROLLYEAREND ) s
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CA1000
CA10001
CA10002
CA10003
CA11597
CA11603
CA1001
CA998
CA999
As you can see, CA11603 is the largest number in this list.
When I try the follow sql code,
SELECT
MAX([MyCode])
FROM
[MyTable]
WHERE (SUBSTRING([MyCode], 1, 2) = 'CA')
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When I try
MAX([MyCode])
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SELECT
TOP 1 (SchoolMasterCode)
FROM
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WHERE (SUBSTRING(SchoolMasterCode, 1, 2) = 'CA') ORDER BY Schoolmastercode
The largest comes back as CA10001
When I try....
SELECT
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FROM
SchoolMaster
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------------------------
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------------------------
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------------------------
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------------------------
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Element SADDR1 is undefined in SESSION
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WHERE saddr1 = #session.saddr1# and ( hunittype='2' OR (hunittype='3') OR (hunittype='4')
OR (hunittype='5') OR (hunittype='6') OR (hunittype='7') OR (hunittype='8') OR
(hunittype='25') OR (hunittype='26') OR (hunittype='27') OR (hunittype='28') OR
(hunittype='29') OR (hunittype='30') OR (hunittype='31') OR (hunittype='32') OR
(hunittype='33') OR (hunittype='34') OR (hunittype='35') OR (hunittype='36') OR
(hunittype='37') OR (hunittype='39') OR (hunittype='41') OR (hunittype='42') OR
(hunittype='44') OR (hunittype='45') OR (hunittype='46') OR (hunittype='47') OR
(hunittype='48') OR (hunittype='49') OR (hunittype='50')
Thanks