Aggregate functions are a subset of SQL functions that compute a single value from multiple input rows, mostly used in `SELECT` queries with a `GROUP BY` clause
The 'sum' function which returns the sum of the items in an array.
Version answer general
"As an added answer there is also the aggregate-functions which is more general than sum"
from question "Accumulating sum in one line in C#"
"Aggregate-functions is more general version of sum"
from question "Sum a list of BigIntegers"
"I changed out total for sum which is more consistent with other databases sqlite aggregate-functions"
from question "Use cid in sqlite instead of column name?"