sql query need Help about Absent Employee

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sql query need Help about Absent Employee

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oliver8615

Posted Saturday, June 14, 2008 7:49 PM

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good Day... i need help about my project in school about employee attendance module. I have a table tblEmployee(EmpId,Name,Dept,Position) and another table tblAttendance(EmpId,date,AmIn,AmOut,PmIn,PmOut)

I need a query that will find those employees who are absent or those employee who does not have an attendance on a specific date... urgent please thanks a lot....

Post #517212

Lynn Pettis

Posted Saturday, June 14, 2008 7:59 PM

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We'd love to help you with your school project, but it would be better if you showed us what you have already done to try and solve the problem and what the issues you are having with your code.

We'd also need to see the DDL for the tables, some sample data, and what the expected output would be based on the sample data.

The reason for all this is to help you learn. We can look at what you have done so far, point out areas where you are having issues, and show you better ways of doing things. What we don't want to do, is do your work for you. That wouldn't be right, or even fair to you.

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Lynn Pettis

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Post #517213

Jeffrey Williams 3188

Posted Saturday, June 14, 2008 8:04 PM

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To add to what Lynn has already stated - I think you need to lookup OUTER JOIN's. Once you have posted additional information about the problem, I am sure someone here can help you further.

Jeff

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Post #517214

oliver8615

Posted Saturday, June 14, 2008 8:13 PM

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I am using a Visual Basic 6.0 and a Microsoft Access database..

Post #517215

Lynn Pettis

Posted Saturday, June 14, 2008 8:31 PM

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And this helps us know what you've done so far how? Please reread my post and Jeff's post. Based on the information you have provided us so far, we can't help you. As I stated earlier, as this is a school project, you need to show us what you have done to solve the problem. We aren't going to just give you a solution. That would not be right, nor fair to you.

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Lynn Pettis

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Post #517216

oliver8615

Posted Saturday, June 14, 2008 9:18 PM

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I am using MS VB 6.0 so far i did was to search those employee's who have not take an attendance for a day.. my query for that is...

Select EmpId from tblEmployee not IN (select EmpId from tblAttendance where [date] =#06/06/2008#)

my problem for that is i want to know those employee's who have take a consecutive absences using two dates...

Post #517219

Lynn Pettis

Posted Saturday, June 14, 2008 9:35 PM

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You really have missed part of what I asked for earlier. The definition for your tables, some sample data for the tables, the expected output based on the sample data, what you have done so far to solve the problem at hand, and where you are having trouble getting what you want as an answer (the expected results based on the sample data).

I could shoot in the dark all night and not help you solve your problem. You have to help us help you by providing as MUCH information as possible.

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Lynn Pettis

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Post #517222

oliver8615

Posted Saturday, June 14, 2008 9:43 PM

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tblEmployee, tblAttendance has one to many relationship...
Here is a sample form in vb 6.0 what am i using

Searcy Options:
StartDate
End Date

Filter those employee's who have taken consecutive absences and from what date it is...

Post #517224

Lynn Pettis

Posted Saturday, June 14, 2008 9:50 PM

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Still not giving enough info. Perhaps reading this will help:

http://www.sqlservercentral.com/articles/Best+Practices/61537/

Cool

Lynn Pettis

SQL Musings from the Desert Fountain Valley SQL (My Mirror Blog)

Post #517225

shiningworld_4u

Posted Tuesday, March 30, 2010 1:03 AM

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Hi
I think you need this kind of query

Select EmpId from employee where empid Not In (select EmpId from attendance where date =
'2010-03-29')

Post #892493

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