Business-Performance-SQL/05_business_kpis.sql at main · Tripti-code479/Business-Performance-SQL · GitHub

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USE business_performance;
SELECT
    ROUND(
        SUM(
            p.selling_price
            * s.quantity
            * (1 - s.discount / 100)
        ),
        2
    ) AS total_revenue
FROM sales s
JOIN products p
    ON s.product_id = p.product_id;
SELECT
    ROUND(
        SUM(
            p.cost_price * s.quantity
        ),
        2
    ) AS total_cost
FROM sales s
JOIN products p
    ON s.product_id = p.product_id;
SELECT
    ROUND(
        SUM(
            (p.selling_price * s.quantity * (1 - s.discount / 100))
            - (p.cost_price * s.quantity)
        ),
        2
    ) AS total_profit
FROM sales s
JOIN products p
    ON s.product_id = p.product_id;
SELECT
    COUNT(*) AS total_transactions
FROM sales;
SELECT
    SUM(quantity) AS total_units_sold
FROM sales;
SELECT
    ROUND(
        SUM(
            p.selling_price
            * s.quantity
            * (1 - s.discount / 100)
        ) / COUNT(*),
        2
    ) AS average_transaction_value
FROM sales s
JOIN products p
    ON s.product_id = p.product_id;
SELECT
    ROUND(
        (
            SUM(
                (p.selling_price * s.quantity * (1 - s.discount / 100))
                - (p.cost_price * s.quantity)
            )
            /
            SUM(
                p.selling_price * s.quantity * (1 - s.discount / 100)
            )
        ) * 100,
        2
    ) AS profit_margin_percentage
FROM sales s
JOIN products p
    ON s.product_id = p.product_id;
SELECT
    YEAR(s.sale_date) AS sales_year,
    ROUND(
        SUM(
            p.selling_price
            * s.quantity
            * (1 - s.discount / 100)
        ),
        2
    ) AS revenue
FROM sales s
JOIN products p
    ON s.product_id = p.product_id
GROUP BY YEAR(s.sale_date)
ORDER BY sales_year;
SELECT
    ROUND(
        (
            SUM(
                CASE
                    WHEN YEAR(s.sale_date) = 2025
                    THEN p.selling_price * s.quantity
                         * (1 - s.discount / 100)
                    ELSE 0
                END
            )
            -
            SUM(
                CASE
                    WHEN YEAR(s.sale_date) = 2024
                    THEN p.selling_price * s.quantity
                         * (1 - s.discount / 100)
                    ELSE 0
                END
            )
        )
        /
        SUM(
            CASE
                WHEN YEAR(s.sale_date) = 2024
                THEN p.selling_price * s.quantity
                     * (1 - s.discount / 100)
                ELSE 0
            END
        )
        * 100,
        2
    ) AS revenue_growth_percentage
FROM sales s
JOIN products p
    ON s.product_id = p.product_id;
SELECT
    s.store_id,
    DATE_FORMAT(s.sale_date, '%Y-%m-01') AS sales_month,
    ROUND(
        SUM(
            p.selling_price
            * s.quantity
            * (1 - s.discount / 100)
        ),
        2
    ) AS actual_sales
FROM sales s
JOIN products p
    ON s.product_id = p.product_id
GROUP BY
    s.store_id,
    DATE_FORMAT(s.sale_date, '%Y-%m-01');


    USE business_performance;

SELECT
    ROUND(SUM(
        p.selling_price * s.quantity * (1 - s.discount / 100)
    ), 2) AS total_revenue,

    ROUND(SUM(
        p.cost_price * s.quantity
    ), 2) AS total_cost,

    ROUND(SUM(
        (p.selling_price * s.quantity * (1 - s.discount / 100))
        - (p.cost_price * s.quantity)
    ), 2) AS total_profit,

    COUNT(*) AS total_transactions,

    SUM(s.quantity) AS total_units_sold,

    ROUND(
        SUM(
            p.selling_price * s.quantity * (1 - s.discount / 100)
        ) / COUNT(*),
        2
    ) AS average_transaction_value,

    ROUND(
        (
            SUM(
                (p.selling_price * s.quantity * (1 - s.discount / 100))
                - (p.cost_price * s.quantity)
            )
            /
            SUM(
                p.selling_price * s.quantity * (1 - s.discount / 100)
            )
        ) * 100,
        2
    ) AS profit_margin_percentage

FROM sales s
JOIN products p
    ON s.product_id = p.product_id;