Need To Identify Student With Multiple Id Numbers

Jan 17, 2008

My working table:


CREATE TABLE [dbo].[Name_ID4](

[id_num] [decimal](18, 0) IDENTITY(1,1) NOT NULL,

[student_last_name] [varchar](30) NULL,

[student_first_name] [varchar](30) NULL,

[student_middle_init] [varchar](1) NULL

[local_student_id] [bigint] NULL,


I need to identify only the students with more than one local_student_id and the associated local_student_id's.

I can identify the students with two id's but not the associated id's


SELECT COUNT(*) AS Dup_Num,

rtrim(student_last_name),

rtrim(student_first_name),

rtrim(student_middle_init),

from Name_ID4

group by

student_last_name,

student_first_name,

student_middle_init,

having (count(*) > 1)

order by student_last_name, student_first_name, student_middle_init

Thanks

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Feb 1, 2007

I have a report with a column which contains either a string such as "N/A" or a number such as 12. A user exports the report to Excel. In Excel the numbers are formatted as text.

I already tried to set the value as CDbl which returns error for the cells containing a string.

The requirement is to export the column to Excel with the numbers formatted as numbers and the strings such as "N/A' in the same column as string.

Any suggestions?



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Here's a snippet of some test code I wrote within an ASP.NET 2.0 test application:



protected void Page_Load(object sender, EventArgs e)

{

if (!Page.IsPostBack)

{

this.rptViewer.ServerReport.ReportServerUrl = new Uri(this.txtReportServerUrl.Text);

this.rptViewer.ServerReport.ReportPath = this.txtReportPath.Text;

}

}

protected void btnViewRpt_Click(object sender, EventArgs e)

{

ReportParameter[] rptParams = GetReportParameters();

this.rptViewer.ServerReport.SetParameters(rptParams);

this.rptViewer.ServerReport.Refresh();

}

private ReportParameter[] GetReportParameters()

{

int paramCount = 0;

ReportParameter[] retVal;

string emptyVal = null;

if (txtName.Text != "") paramCount++;

if (txtAddress.Text != "") paramCount++;

if (txtZip.Text != "") paramCount++;

retVal = new ReportParameter[paramCount];

paramCount = 0;

if (txtName.Text != "")

retVal[paramCount++] = new ReportParameter("Name", txtName.Text);

if (txtAddress.Text != "")

retVal[paramCount++] = new ReportParameter("Address", txtAddress.Text);

if (txtZip.Text != "")

retVal[paramCount++] = new ReportParameter("Zip", txtZip.Text);

return retVal;

}



The test report was written to simply echo back the values of the parameters that are specified. The report definition allows NULL to be specified for the parameters.



The test app was written so if I enter a blank value for Name, Address or Zip, the corresponding parameter does not get created in C# and does not get sent to the report server. If I view the report with all three values (parameters) filled in, I see the parameters echoed back to me in my simple report as expected. If I clear the parameter values the first time the report is rendered, none are sent to the report server and I get no values echoed back in my report, also as expected. I can change the values and click on the View Report button and see the new values for the parameters as expected. However, if I clear any previously-specified parameters and click on View Report, the previously-specified values for the ones that are now cleared are still displayed by the report.



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___________
Grades:
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I need to calculate average of each student and then get the highest.

My try:

Code:
SELECT Students.StudentId,Students.StudentName,AVG(Grades.Grade) AS avg_grade FROM Students s JOIN Grades g ON Grades.StudentId =Students.StudentId
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I encounter problem with this code, maybe it's Completely wrong...

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[Contact] [int] NOT NULL,
[Address] [char](50) NOT NULL,
[DateOfBirth] [datetime] NOT NULL,
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And insert the following data:

INSERT INTO Student VALUES('IT123456X', 'Ahmad Adam','05-18-1997', '33 Mangis Rod', 19970518, 2013, 1);
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How do i calculate the age and how can i group by the StudentNumber like 'IT%'

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Now i want to update only the grade from prep to KG-1 without update the registration number only prep to kg-1. in one column there is student register number and after slash the grade.

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I am stumped on a set-based approach for this one.

A cursor approach is straightforward enough, but i want to avoid that.

Here's my table:

create table StudentScores
(
id int primary key identity(1,1),
student_id int not null,
score int not null
)

with some sample data:

insert into StudentScores (student_id, score)
select 1, 10 union all
select 1, 29 union all
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select 1, 10 union all
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select 1, 50 union all
select 1, 53 union all
select 1, 45 union all
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select 2, 54 union all
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select 2, 23 union all
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select 2, 23 union all
select 2, 54 union all
select 2, 55 union all
select 2, 34 union all
select 2, 56 union all
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What I want is, for each student, what is their 90th percentile score?

For a given single student, one possibility would be:

declare @studentid int
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select top 1 @studentid as student_id, a.score as [90th percentile score]
from
(
select top 90 percent score from StudentScores
where student_id = @studentid order by score asc
) as a
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Any ideas?

Thanks!

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Code:

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[code]....

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[Code] ....

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Hi Everybody
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Now I want to write a query that displays student with subjects and marks who secured highest marks in each subject.
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TABLE level scan performed.
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- Extents Scanned..............................: 225
- Extent Switches..............................: 224
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