diff --git a/solutions.sql b/solutions.sql new file mode 100644 index 0000000..14218c8 --- /dev/null +++ b/solutions.sql @@ -0,0 +1,96 @@ +-- Query 1 +SELECT client_id +FROM client +WHERE district_id = 1 +ORDER BY client_id +LIMIT 5; +-- Query 2 +SELECT client_id +FROM client +WHERE district_id = 72 +ORDER BY client_id DESC +LIMIT 1; +-- Query 3 +SELECT amount +FROM loan +ORDER BY amount ASC +LIMIT 3; +-- Query 4 +SELECT DISTINCT status +FROM loan +ORDER BY status ASC; +-- Query 5 +SELECT loan_id +FROM loan +ORDER by payments DESC +LIMIT 1; +-- Query 6 +SELECT account_id, amount +FROM loan +ORDER BY account_id ASC +LIMIT 5; +-- Query 7 +SELECT account_id +FROM loan +WHERE duration = 60 +ORDER BY amount ASC, account_id ASC +LIMIT 5; +-- Query 8 +SELECT DISTINCT TRIM(k_symbol) +FROM `order` +WHERE TRIM(COALESCE(k_symbol, '')) <> '' +ORDER BY TRIM(k_symbol) ASC; +-- Query 9 +SELECT order_id +FROM `order` +WHERE account_id = 34; +-- Query 10 +SELECT DISTINCT account_id +FROM `order` +WHERE order_id BETWEEN 29540 AND 29560 +ORDER BY order_id ASC; +-- Query 11 +SELECT amount +FROM `order` +WHERE account_to = 30067122; +-- Query 12 +SELECT trans_id, date, type, amount +FROM trans +WHERE account_id = 793 +ORDER BY date DESC +LIMIT 10; +-- Query 13 +SELECT district_id, COUNT(*) AS client_count +FROM client +WHERE district_id < 10 +GROUP BY district_id +ORDER BY district_id ASC; +-- Query 14 +SELECT type, COUNT (*) AS card_count +FROM card +GROUP BY type +ORDER BY card_count DESC; +-- Query 15 +SELECT account_id, SUM(amount) AS total_loan_amount +FROM loan +GROUP BY account_id +ORDER BY total_loan_amount DESC +LIMIT 10; +-- Query 16 +SELECT date, COUNT(*) AS loan_count +FROM loan +WHERE date < 930907 +GROUP BY date +ORDER BY date DESC; +-- Query 17 +SELECT date, duration, COUNT(*) AS loan_count +FROM loan +WHERE date BETWEEN 971201 AND 971231 +GROUP BY date, duration +ORDER BY date ASC, duration ASC; +-- Query 18 +SELECT account_id, type, SUM(amount) AS total_amount +FROM trans +WHERE account_id = 396 +GROUP BY account_id, type +ORDER BY type ASC; \ No newline at end of file