Updating Access data
Published November 30, 2009The last of of our data manipulation tasks is to update the data – we have already seen how to create, read and delete.
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function Set-AccessData {
[CmdletBinding(SupportsShouldProcess=$true)] param ( [string]$table, [string]$filter, [string]$value, [System.Data.OleDb.OleDbConnection]$connection ) $sql = "UPDATE $table SET $value WHERE $filter" $cmd = New-Object System.Data.OleDb.OleDbCommand($sql, $connection) if ($psCmdlet.ShouldProcess("$($connection.DataSource)", "$sql")){$cmd.ExecuteNonQuery()} } |
This function is very similar to the delete function. We have an additional parameter to pass in the values we are updating.
PS> Import-Module accessfunctions
PS> $db = Open-AccessDatabase -name test03.mdb -path c:\test
PS> Get-AccessData -sql "select * from test1" -connection $db
FirstName LastName DOB
--------- -------- ---
Fred ... Smith ... 01/09/1979 00:00:00
John ... Smith ... 01/07/1981 00:00:00
James ... Jones ... 18/04/1981 00:00:00
PS> Set-AccessData -table test1 -filter "LastName='Smith'" -value "LastName='Green'" -connection $db
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PS> Get-AccessData -sql "select * from test1" -connection $db
FirstName LastName DOB
--------- -------- ---
Fred ... Green ... 01/09/1979 00:00:00
John ... Green ... 01/07/1981 00:00:00
James ... Jones ... 18/04/1981 00:00:00
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