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POHow do I delete rows in a table from one database to the other in MS Access
 

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  1. POHow do I delete rows in a table from one database to the other in MS Access
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    <p>I have two databases, a "Master" source (held locally) and a "Copy" database (to be distributed). Neither will be able to see each other once distributed (either locally or across a network), so we can't perform queries across the databases after distribution. I need to remove some content from the Copy database before it is distributed, so I decided to create a VBA script to produce the Copy databases for distribution.</p> <p>There are lookups in the tables, so I have decided to hold a template database (which was copied from the master source, and then stripped the tables out of them), then am dropping the tables and have recreated them in an appropriate order.</p> <p>I'm now needing to remove some of the data, and I'm struggling.</p> <pre><code>DeviceTable: AutoNumber(ID) Text(DeviceName) Integer(ClusterID) Text(Distribution) ClusterTable: AutoNumber(ID) Text(ClusterName) VirtualSystemTable: AutoNumber(ID) Text(VirtualSystemName) Integer(ClusterID) Integer(DeviceID) InterfaceTable: AutoNumber(ID) Integer(VirtualSystemID) Integer(ClusterID) Integer(DeviceID) Text(Description) </code></pre> <p>I need to remove entries from DeviceTable, ClusterTable, VirtualSystemTable and InterfaceTable for anything which is not marked as Distribution: "Public"</p> <p>Normally I would do (in psudocode):</p> <pre><code>arrDEV = SQL("SELECT ID, ClusterID FROM DeviceTable WHERE Distribution&lt;&gt;"Public"") </code></pre> <p>Then, for each response, I would</p> <pre><code>arrVSYS = SQL("SELECT ID FROM VirtualSystemTable WHERE DeviceID=$arrDEV.ID OR ClusterID=$arrDEV.ClusterID") SQL("DELETE FROM InterfaceTable WHERE DeviceID=$arrDEV.ID OR ClusterID=$arrDEV.ClusterID OR VirtualSystemID=$arrVSYS.ID") SQL("DELETE FROM VirtualSystemTable WHERE DeviceID=$arrDEV.ID OR ClusterID=$arrDEV.ClusterID") SQL("DELETE FROM ClusterTable WHERE ID=$arrDEV.ClusterID") </code></pre> <p>My issue is that I can't work out how to perform these queries across the database link. I amusing ADODB. I normally code in PHP, so this is a bit of a struggle for me!</p>
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    1. USJonTheNiceGuy
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    1. COWhere are you stuck specifically? Can you create a valid ADO connection to the target db?
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    2. COIs your DeviceTable in your "Master" database? Do you need to query across different databases or is all the data/tables/records/rows contained inside just one database?
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    3. CO@HansUp I've got the adodb connection working, the issue is the cross-database queries where I need to perform several queries to get the queries working.
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      1. USJonTheNiceGuy
 

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