Using indexes provides several benefits to your applications:
In addition to the default index, the client dataset maintains a second index, called CHANGEINDEX, on the changed records stored in the change log (Delta property). CHANGEINDEX orders all records in the client dataset as they would appear if the changes specified in Delta were applied. CHANGEINDEX is based on the ordering inherited from DEFAULT_ORDER. As with DEFAULT_ORDER, you cannot change or delete the CHANGEINDEX index.
You can use other existing indexes, and you can create your own indexes. The following sections describe how to create and use indexes with client datasets:
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