lab1 day5 w4

solutions.sql

@@ -0,0 +1,159 @@
+--q1
+/*
+SELECT client_id FROM client
+WHERE district_id =1
+LIMIT 5;
+*/
+
+--q2
+/*
+SELECT client_id 
+FROM client 
+WHERE district_id=72
+ORDER BY district_id DESC 
+LIMIT 1;
+*/
+
+--q3
+/*
+SELECT amount 
+FROM loan 
+ORDER BY amount ASC LIMIT 3;
+*/
+
+--q3
+/*
+SELECT amount 
+FROM loan 
+ORDER BY amount ASC LIMIT 3;
+*/
+
+--q4
+/*
+SELECT DISTINCT status 
+FROM loan 
+ORDER BY status ASC;
+*/
+
+
+--q5
+/*
+SELECT DISTINCT loan_id 
+FROM loan 
+ORDER BY payments DESC
+LIMIT 1;
+*/
+
+--q6
+/*
+SELECT account_id , amount 
+FROM loan 
+ORDER BY account_id ASC
+LIMIT 5;
+*/
+
+--q7
+/*
+SELECT account_id
+FROM loan 
+WHERE duration=60
+ORDER BY amount ASC 
+LIMIT 5;
+*/
+
+--q8
+/*
+SELECT DISTINCT k_symbol
+FROM 'order'
+ORDER BY k_symbol ASC;
+*/
+
+
+--q9
+/*
+SELECT order_id
+FROM 'order'
+WHERE account_id=34;
+*/
+
+--q10
+/*
+SELECT DISTINCT account_id
+FROM 'order'
+WHERE order_id BETWEEN 29540 AND 29560;
+*/
+
+--q11
+/*
+SELECT amount
+FROM 'order'
+WHERE account_to= 30067122;
+*/
+
+--q12
+/*
+SELECT trans_id , date , type , amount
+FROM trans
+WHERE account_id=793
+ORDER BY date DESC
+LIMIT 10;
+*/
+
+--q13
+/*
+SELECT district_id , COUNT(*) AS client_count
+FROM client
+WHERE district_id < 10
+GROUP BY district_id
+ORDER BY district_id ASC;
+*/
+
+--q14
+/*
+SELECT type, COUNT(*) as card_count
+FROM card
+GROUP BY type
+ORDER BY card_count DESC;
+*/
+
+--q15
+/*
+SELECT account_id, SUM(amount) as total_loan
+FROM loan
+GROUP BY account_id
+ORDER BY total_loan DESC
+LIMIT 10;
+*/
+
+
+--q16
+/*
+SELECT date, COUNT(*) as loan_count
+FROM loan
+WHERE date < '930907'
+GROUP BY date
+ORDER BY date DESC;
+*/
+
+
+--q17
+/*
+SELECT date, duration, COUNT(*) as loan_count
+FROM loan
+WHERE date >= '971201' AND date <= '971231'
+GROUP BY date, duration
+ORDER BY date ASC, duration ASC;
+
+*/
+
+
+
+--q18
+/*
+SELECT account_id, type, SUM(amount) as total_amount
+FROM trans
+WHERE account_id = 396
+GROUP BY account_id, type
+ORDER BY type ASC;
+*/
+