Example 1: Retrieve from the descriptor 'NEWDA' the number of descriptor items.
EXEC SQL GET DESCRIPTOR 'NEWDA' :numitems = COUNT;
Example 2: Retrieve from the first item descriptor of descriptor 'NEWDA' the data type and the octet length.
GET DESCRIPTOR 'NEWDA' VALUE 1 :dtype = TYPE, :olength = OCTET_LENGTH;
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