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VBA/Excel/Access/Word/Access/Table Join - История изменений
2026-04-07T01:11:39Z
История изменений этой страницы в вики
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в 16:33, 26 мая 2010
2010-05-26T16:33:00Z
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Admin: 1 версия
2010-05-26T12:46:59Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==Establishing Relationships Using Code==<br />
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<!-- start source code --><br />
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<source lang="vb"><br />
<br />
Sub CreateRelation()<br />
Dim tbl As ADOX.Table<br />
Dim fk As ADOX.Key<br />
Dim cat As ADOX.Catalog<br />
Set cat = New ADOX.Catalog<br />
cat.ActiveConnection = CurrentProject.Connection<br />
Set tbl = cat.Tables("tblPeople")<br />
Set fk = New ADOX.Key<br />
With fk<br />
.Name = "PeopleFood"<br />
.Type = adKeyForeign<br />
.RelatedTable = "Foods"<br />
.Columns.Append "FoodID"<br />
.Columns("FoodID").RelatedColumn = "FoodID"<br />
End With<br />
tbl.Keys.Append fk<br />
Set cat = Nothing<br />
Set tbl = Nothing<br />
Set fk = Nothing<br />
End Sub<br />
</source><br />
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==Open the recordset, designating that the source is a SQL statement based on more than one table==<br />
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<!-- start source code --><br />
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<source lang="vb"><br />
<br />
Sub InconsistentUpdates()<br />
Dim rst As ADODB.Recordset<br />
Set rst = New ADODB.Recordset<br />
rst.ActiveConnection = CurrentProject.Connection<br />
rst.CursorType = adOpenStatic<br />
rst.LockType = adLockOptimistic<br />
rst.Properties("Jet OLEDB:Inconsistent") = True<br />
rst.Open Source:="Select * from Employees " & _<br />
"INNER JOIN Projects " & _<br />
"ON Employees.ClientID = Projects.ClientID", _<br />
Options:=adCmdText<br />
"Modify the contents of the foreign key field<br />
rst("Projects.ClientID") = 1<br />
rst.Update<br />
Debug.Print rst("Projects.ClientID")<br />
rst.Close<br />
Set rst = Nothing<br />
End Sub<br />
</source></div>
Admin