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Copy path06_business_analysis.sql
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356 lines (289 loc) · 5.83 KB
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USE business_performance;
SELECT
st.store_id,
st.store_name,
st.city,
st.region,
ROUND(
SUM(
p.selling_price
* s.quantity
* (1 - s.discount / 100)
),
2
) AS total_revenue
FROM sales s
JOIN stores st
ON s.store_id = st.store_id
JOIN products p
ON s.product_id = p.product_id
GROUP BY
st.store_id,
st.store_name,
st.city,
st.region
ORDER BY total_revenue DESC;
SELECT
st.store_name,
ROUND(
SUM(
p.selling_price
* s.quantity
* (1 - s.discount / 100)
),
2
) AS revenue,
ROUND(
SUM(
(p.selling_price * s.quantity * (1 - s.discount / 100))
-
(p.cost_price * s.quantity)
),
2
) AS profit
FROM sales s
JOIN stores st
ON s.store_id = st.store_id
JOIN products p
ON s.product_id = p.product_id
GROUP BY st.store_name
ORDER BY profit DESC;
SELECT
st.region,
ROUND(
SUM(
p.selling_price
* s.quantity
* (1 - s.discount / 100)
),
2
) AS revenue,
ROUND(
SUM(
(p.selling_price * s.quantity * (1 - s.discount / 100))
-
(p.cost_price * s.quantity)
),
2
) AS profit,
COUNT(*) AS transactions
FROM sales s
JOIN stores st
ON s.store_id = st.store_id
JOIN products p
ON s.product_id = p.product_id
GROUP BY st.region
ORDER BY revenue DESC;
SELECT
e.employee_id,
e.employee_name,
e.job_role,
st.store_name,
ROUND(
SUM(
p.selling_price
* s.quantity
* (1 - s.discount / 100)
),
2
) AS revenue
FROM sales s
JOIN employees e
ON s.employee_id = e.employee_id
JOIN stores st
ON e.store_id = st.store_id
JOIN products p
ON s.product_id = p.product_id
GROUP BY
e.employee_id,
e.employee_name,
e.job_role,
st.store_name
ORDER BY revenue DESC;
SELECT
p.product_id,
p.product_name,
p.department,
SUM(s.quantity) AS units_sold,
ROUND(
SUM(
p.selling_price
* s.quantity
* (1 - s.discount / 100)
),
2
) AS revenue,
ROUND(
SUM(
(p.selling_price * s.quantity * (1 - s.discount / 100))
-
(p.cost_price * s.quantity)
),
2
) AS profit
FROM sales s
JOIN products p
ON s.product_id = p.product_id
GROUP BY
p.product_id,
p.product_name,
p.department
ORDER BY revenue DESC;
SELECT
p.department,
SUM(s.quantity) AS units_sold,
ROUND(
SUM(
p.selling_price
* s.quantity
* (1 - s.discount / 100)
),
2
) AS revenue,
ROUND(
SUM(
(p.selling_price * s.quantity * (1 - s.discount / 100))
-
(p.cost_price * s.quantity)
),
2
) AS profit
FROM sales s
JOIN products p
ON s.product_id = p.product_id
GROUP BY p.department
ORDER BY revenue DESC;
SELECT
c.customer_id,
c.customer_name,
c.membership_type,
COUNT(s.sale_id) AS transactions,
ROUND(
SUM(
p.selling_price
* s.quantity
* (1 - s.discount / 100)
),
2
) AS total_spending
FROM sales s
JOIN customers c
ON s.customer_id = c.customer_id
JOIN products p
ON s.product_id = p.product_id
GROUP BY
c.customer_id,
c.customer_name,
c.membership_type
ORDER BY total_spending DESC
LIMIT 10;
SELECT
c.membership_type,
COUNT(DISTINCT c.customer_id) AS customers,
COUNT(s.sale_id) AS transactions,
ROUND(
SUM(
p.selling_price
* s.quantity
* (1 - s.discount / 100)
),
2
) AS revenue
FROM customers c
LEFT JOIN sales s
ON c.customer_id = s.customer_id
LEFT JOIN products p
ON s.product_id = p.product_id
GROUP BY c.membership_type
ORDER BY revenue DESC;
SELECT
YEAR(s.sale_date) AS year,
MONTH(s.sale_date) AS month,
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),
MONTH(s.sale_date)
ORDER BY
year,
month;
SELECT
st.store_name,
t.target_month,
ROUND(
t.sales_target,
2
) AS sales_target,
ROUND(
COALESCE(
SUM(
p.selling_price
* s.quantity
* (1 - s.discount / 100)
),
0
),
2
) AS actual_sales,
ROUND(
(
COALESCE(
SUM(
p.selling_price
* s.quantity
* (1 - s.discount / 100)
),
0
)
/ t.sales_target
) * 100,
2
) AS target_achievement_percentage
FROM targets t
JOIN stores st
ON t.store_id = st.store_id
LEFT JOIN sales s
ON s.store_id = t.store_id
AND DATE_FORMAT(s.sale_date, '%Y-%m-01') = t.target_month
LEFT JOIN products p
ON s.product_id = p.product_id
GROUP BY
st.store_name,
t.target_month,
t.sales_target
ORDER BY
t.target_month,
target_achievement_percentage DESC;
SELECT
st.store_id,
st.store_name,
st.city,
st.region,
ROUND(
SUM(
p.selling_price
* s.quantity
* (1 - s.discount / 100)
),
2
) AS total_revenue
FROM sales s
JOIN stores st
ON s.store_id = st.store_id
JOIN products p
ON s.product_id = p.product_id
GROUP BY
st.store_id,
st.store_name,
st.city,
st.region
ORDER BY total_revenue DESC;