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Anybody has an example on how to use TCompressedBlob to read and write compressed data into a TBlobField?

Thanks,

To read/write data from TCompressedBlob you can use the TCompressedBlob.Read, TCompressedBlob.Write, TCompressedBlob.AsString methods.
To get the Blob object for the field you should use the following code: You can find more detailed information about these methods in the SDAC help.