HISTOGRAM statement causes
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HISTOGRAM statement causes
A processing loop to be initiated
Provide access to any database fields
Process the column values
Returns the number of rows
The HISTOGRAM statement in Natural/Adabas performs two key functions: it initiates an automatic processing loop that iterates through each matching descriptor value (option A), and it populates the *NUMBER system variable with the count of occurrences or rows processed (option D). Options B and C are incorrect because HISTOGRAM is specifically for descriptor processing, not general field access or column value processing.