Compare Two Tables And Note Diff?

Jan 19, 2009

I have three Tables in the MS Access database as below:

Company_Data
Name|Age|Department|Salary
User_Data

[Code].....

and i have a compare button on the VB form. Is there any code that can compare the Company_Data with User_Data and copy all the records not found in User_Data to Changes_Data table. When updating it should update the "updated on" Column to the current Date.

Same needs to be done in the opposite way. Compare User_Data with Company_Data and note the diff. No Need to update Salary in this case.

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Compare Two Tables And Note Difference?

Jan 18, 2009

I have three Tables in the MS Access database as below:

Company_Data
Name|Age|Department|Salary
User_Data

[code].....

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[Code]...

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'datagridview1=exceldv
'datagridview2= sqldv
for each item1 in exceldv
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[code]....

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1 X
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here's my codes :

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[code]....

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how to compare 2 sql tables and show data that are in table 1 but not in table2?

Dim strSQLL As String = "Select t1.run from ML533 t1 left join portal t2 on t1.[run] = t2.[runNo] where t1.[run] <> t2.[runNo]"
Dim comm As New System.Data.SqlClient.SqlCommand(strSQLL, conn)
Dim ds1 As DataSet = New DataSet()

[code]....

i have tried google and other sites.. but still cannot find solution. maybe i post the wrong question. but i manage to do this code. but its only shows only 1 record missing, but its supposed to show 5 records that r missing.

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My approach is to setup three different queries and save to three different variables and then save the data in the three variables into the new table. I have the new table setup in ms access.As you can see from my code, I had tried many different ways to generate my sql statement but none of them works. Now I am trying to figure out which part of the sql statement goes wrong by testing one by one. The two that is uncomment:

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[code].....

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Table 1
-----------
Resource
Start Date
End date

[Code]....

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[Code]...

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Private datCallDefaultResult As StreamReader
Private Sub frmTesting_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

[Code].....

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Dear Moderator Sorry for posting it here. Could not find a proper place for posting Query related post and also it was urgent. I have a database in MSAccess.I have a table as tbl_Menu.This table has a parent child relation ship.Parent Node is : MenuItemId and its Child Node is : MenuItemPopUpHeaderID

[Code]...

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