TYPES

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MIN()Returns the smallest Value

SELECT COUNT(*), SUM(TOTAL_AMOUNT), MIN(TOTAL_AMOUNT) from sales;

Returns the count in one column, the sum of the total_amount column and Min amount

MAX() Returns the largest Value

SUM() Returns the sum of values

SELECT COUNT(*), SUM(TOTAL_AMOUNT) from sales;

Returns the count in one column and the sum of the total_amount column

AVG() Returns the Average of Values

COUNT() Returns the number or rows

SELECT COUNT(*) FROM SALES

Returns the record count

FIRST() Returns the first value of the group

LAST() Returns the last value of the group

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