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TEG-bigquery.sql
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TEG-bigquery.sql
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/* How does the revenue generated from document registration vary
across districts in Telangana? List down the top 5 districts that showed
the highest document registration revenue growth between FY 2019
and 2022.
*/
WITH revenue_cte as
(
SELECT
dist_code,
SUM(documents_registered_rev) AS Total_revenue_documents_registratrion
FROM
`cbc.fact_stamps`
WHERE
EXTRACT(YEAR FROM date) BETWEEN 2019 AND 2022
GROUP BY dist_code
)
SELECT
districts,
Total_revenue_documents_registratrion
FROM
revenue_cte
JOIN
`cbc.dim_districts`
USING (dist_code)
ORDER BY 2 DESC
LIMIT 5;
-- -----------------------------------------------------------------------------------------------------------------------------------------
/* How does the revenue generated from document registration compare
to the revenue generated from e-stamp challans across districts? List
down the top 5 districts where e-stamps revenue contributes
significantly more to the revenue than the documents in FY 2022?
*/
WITH revenue_cte as
(
SELECT
dist_code,
SUM(documents_registered_rev) AS Total_revenue_documents_registratrion,
SUM(estamps_challans_rev) AS Total_revenue_estamps_challan
FROM
`cbc.fact_stamps`
WHERE
EXTRACT(YEAR FROM Date) = 2022
GROUP BY dist_code
)
SELECT
districts,
Total_revenue_estamps_challan,
Total_revenue_documents_registratrion
FROM
revenue_cte
JOIN
`cbc.dim_districts`
USING (dist_code)
WHERE
Total_revenue_estamps_challan > Total_revenue_documents_registratrion
ORDER BY 2 DESC
LIMIT 5;
# ----------------------------------------------------------------------------------------------------------------------------------
/*Is there any alteration of e-Stamp challan count and document
registration count pattern since the implementation of e-Stamp
challan? If so, what suggestions would you propose to the
government?*/
WITH compare_21 as
(
SELECT
districts,
EXTRACT(YEAR FROM date) AS year,
SUM(documents_registered_cnt) AS documents_count_21,
SUM(estamps_challans_cnt) AS challans_count_21,
(SUM(estamps_challans_cnt) - SUM(documents_registered_cnt)) AS diff_rev_2021
FROM
`cbc.fact_stamps`
JOIN
`cbc.dim_districts`
USING (dist_code)
WHERE
EXTRACT(YEAR FROM date) = 2021
GROUP BY 1 , 2
ORDER BY 5 DESC
),compare_22 as
(
SELECT
districts,
EXTRACT(YEAR FROM date) AS year,
SUM(documents_registered_cnt) AS documents_count_22,
SUM(estamps_challans_cnt) AS challans_count_22,
(SUM(estamps_challans_cnt) - SUM(documents_registered_cnt)) AS diff_rev_2022
FROM
`cbc.fact_stamps`
JOIN
`cbc.dim_districts`
USING (dist_code)
WHERE
EXTRACT(YEAR FROM date) = 2022
GROUP BY 1 , 2
ORDER BY 5 DESC
)
SELECT
*
FROM
compare_22 a
JOIN
compare_21 b
USING (districts)
ORDER BY 5 DESC , 9 DESC;
# ----------------------------------------------------------------------------------------------------------------------------------
/*Categorize districts into three segments based on their stamp
registration revenue generation during the fiscal year 2021 to 2022*/
SELECT
districts,
SUM(estamps_challans_rev) AS Total_estamps_challans_rev,
(CASE
WHEN SUM(estamps_challans_rev) > 2000000000 THEN 'High_estamp_revenue_district'
WHEN SUM(estamps_challans_rev) BETWEEN 1000000000 AND 2000000000 THEN 'Medium_estamp_revenue_district'
WHEN SUM(estamps_challans_rev) < 1000000000 THEN 'Low_estamp_revenue_district'
END) AS class
FROM
`cbc.fact_stamps`
JOIN
`cbc.dim_districts` USING (dist_code)
WHERE
EXTRACT(YEAR FROM date) BETWEEN 2021 AND 2022
GROUP BY 1
ORDER BY 2 DESC;
# ----------------------------------------------------------------------------------------------------------------------------------
/*Investigate whether there is any correlation between vehicle sales and
specific months or seasons in different districts. Are there any months
or seasons that consistently show higher or lower sales rate, and if yes,
what could be the driving factors? (Consider Fuel-Type category only)*/
with trans_cte as
(
SELECT
districts,
EXTRACT(MONTH FROM date) AS mnth,
(fuel_type_petrol + fuel_type_diesel + fuel_type_electric + fuel_type_others) AS total_fuel_type
FROM
`cbc.fact_transport`
JOIN
`cbc.dim_districts` USING (dist_code)
GROUP BY 1 , 2 , fuel_type_petrol , fuel_type_diesel , fuel_type_electric , fuel_type_others , date
)
SELECT
districts, SUM(total_fuel_type) AS total_fuel_type
FROM
trans_cte
GROUP BY 1
ORDER BY 2 DESC;
# ----------------------------------------------------------------------------------------------------------------------------------
/* How does the distribution of vehicles vary by vehicle class
(MotorCycle, MotorCar, AutoRickshaw, Agriculture) across different
districts? Are there any districts with a predominant preference for a
specific vehicle class? Consider FY 2022 for analysis.*/
SELECT
districts,
EXTRACT(YEAR FROM date) AS Year,
SUM(vehicleClass_MotorCycle) AS vehicleClass_MotorCycle,
SUM(vehicleClass_MotorCar) AS vehicleClass_MotorCar,
SUM(vehicleClass_AutoRickshaw) AS vehicleClass_AutoRickshaw,
SUM(vehicleClass_Agriculture) AS vehicleClass_Agriculture,
SUM(vehicleClass_others) AS vehicleClass_others
FROM
`cbc.fact_transport`
JOIN
`cbc.dim_districts` USING (dist_code)
WHERE
EXTRACT(YEAR FROM date) = 2022
GROUP BY 1 , 2
ORDER BY 3 DESC , 4 DESC , 5 DESC;
# ----------------------------------------------------------------------------------------------------------------------------------
/*List down the top 3 and bottom 3 districts that have shown the highest
and lowest vehicle sales growth during FY 2022 compared to FY
2021? (Consider and compare categories: Petrol, Diesel and Electric)*/
(
SELECT
districts,
EXTRACT(YEAR FROM date) AS Year,
SUM(fuel_type_petrol) AS tot_petV_sold,
SUM(fuel_type_diesel) AS tot_dieV_sold,
SUM(fuel_type_electric) AS tot_elecV_sold,
SUM(fuel_type_petrol + fuel_type_diesel + fuel_type_electric) AS total_vehicle_Sales_cnt
FROM
`cbc.fact_transport`
JOIN
`cbc.dim_districts`
USING (dist_code)
WHERE
EXTRACT(YEAR FROM date) = 2022
GROUP BY 1 , 2
ORDER BY 3 DESC , 4 DESC , 5 DESC
LIMIT 3
)
UNION ALL
(
SELECT
districts,
EXTRACT(YEAR FROM date) AS Year,
SUM(fuel_type_petrol) AS tot_petV_sold,
SUM(fuel_type_diesel) AS tot_dieV_sold,
SUM(fuel_type_electric) AS tot_elecV_sold,
SUM(fuel_type_petrol + fuel_type_diesel + fuel_type_electric) AS total_vehicle_Sales_cnt
FROM
`cbc.fact_transport`
JOIN
`cbc.dim_districts`
USING (dist_code)
WHERE
EXTRACT(YEAR FROM date) = 2022
GROUP BY 1 , 2
ORDER BY 3 , 4 , 5
LIMIT 3
);
# ----------------------------------------------------------------------------------------------------------------------------------
/*
List down the top 5 sectors that have witnessed the most significant
investments in FY 2022.*/
SELECT
sector,
ROUND(SUM(investment_in_cr), 2) AS Investment_in_crore
FROM
`cbc.fact_TS_iPASS`
GROUP BY sector
ORDER BY Investment_in_crore DESC;
# ----------------------------------------------------------------------------------------------------------------------------------
/*List down the top 3 districts that have attracted the most significant
sector investments during FY 2019 to 2022? What factors could have
led to the substantial investments in these particular districts?
*/
SELECT DISTINCT
districts,
ROUND(SUM(investment_in_cr), 2) AS investment_in_cr
FROM
`cbc.fact_TS_iPASS`
JOIN
`cbc.dim_districts` USING (dist_code)
WHERE
EXTRACT(YEAR FROM date) BETWEEN 2019 AND 2022
GROUP BY 1
ORDER BY 2 DESC
LIMIT 3;
# ----------------------------------------------------------------------------------------------------------------------------------------
/*are there any particular sectors that have shown substantial
investment in multiple districts between FY 2021 and 2022?*/
WITH cte AS
(
SELECT *,
DENSE_RANK() OVER(PARTITION BY sector ORDER BY Investment DESC) AS rnk
FROM (
SELECT
dist_code, sector, SUM(investment_in_cr) AS Investment
FROM
`cbc.fact_TS_iPASS`
WHERE
EXTRACT(YEAR FROM date) BETWEEN 2021 AND 2022
GROUP BY sector , dist_code) as tbl
)
SELECT
sector, ROUND(SUM(investment), 2) AS Investment_in_Cr
FROM
cte
JOIN
`cbc.dim_districts` USING (dist_code)
WHERE
rnk <= 3
GROUP BY 1
ORDER BY 2 DESC , 2;
# -----------x-x-x-x--------------------------------------------.