THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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The RDB DAS makes use of a concept referred to as ConventionOverConfiguration. This concept reflects the notion that configuration can be avoided by following convention and that this is generally a good thing.
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In the absence of configuration to the contrary, the DAS will use a simple implicit mapping from Table/Column names to DataObject Type/Property names. An example of this convention is provided in ConventionOverConfiguration.
Optimistic Concurrency Control
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Unless otherwise specified, the RDB DAS will default to a scheme where INSERT/UPDATE/DELETE statements are generated based on the change summary (ChangeSummaryProcessing) associated with the modified datagraph. The DAS will not generate an UPDATE statement that updates all table columns. Instead, the DAS will update only those columns that were actually modified in the graph.