VistaDB 5
Gibraltar VistaDB / Developer's Guide / SQL Reference / Functions / Aggregate Functions / SUM
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    Returns the sum of all numeric data, or optionally only the DISTINCT values, in the given expression.
    SUM may not be used with non-numeric data types.

    For the purposes of the addition NULL values are ignored.

    SUM attempts to return a like typed data. So performing SUM() on a BIGINT table will return a BIGINT, FLOAT will return a FLOAT, etc.


    SELECT SUM(column) FROM table
    SELECT SUM(DISTINCT column) FROM table
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