03Nov17

Lab_Solutions.sql

@@ -0,0 +1,135 @@
+#Query1
+SELECT client_id FROM client WHERE  district_id =1 LIMIT 5;
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query2
+SELECT *
+FROM client
+WHERE  district_id =75
+ORDER BY client_id DESC
+LIMIT 1;
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query3
+SELECT *
+FROM loan
+ORDER BY amount ASC
+LIMIT 3
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query4
+SELECT DISTINCT status
+FROM loan
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query5
+SELECT MAX(loan_id)
+FROM loan
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query6
+SELECT loan_id
+FROM loan
+WHERE payments = (
+    SELECT MAX(payments)
+    FROM loan
+);
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query7
+SELECT account_id
+FROM loan
+WHERE duration = 60 
+ORDER BY amount ASC
+LIMIT 5;
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query8
+SELECT DISTINCT k_symbol
+FROM `order` 
+WHERE k_symbol IS NOT NULL
+  AND k_symbol <> '';
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query9
+SELECT order_id
+FROM `order` 
+WHERE account_id = 34
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query10
+SELECT DISTINCT account_id
+FROM `order` 
+WHERE order_id BETWEEN 29540 AND 29560;
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query11
+SELECT amount
+FROM `order` 
+WHERE account_to = 30067122;
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query12
+SELECT trans_id, date, type, amount
+FROM trans
+WHERE account_id = 793
+ORDER BY date DESC 
+LIMIT  10;
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query13
+SELECT district_id, COUNT (client_id) 
+FROM client 
+WHERE district_id < 10
+GROUP BY district_id
+ORDER BY district_id ASC;  
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query14
+SELECT type, COUNT (card_id) 
+FROM card
+GROUP BY type
+ORDER BY type ASC;  
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query15
+SELECT account_id, SUM(amount) AS total_amount
+FROM loan
+GROUP BY account_id 
+ORDER BY total_amount DESC
+LIMIT 10;
+
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query16
+SELECT date, COUNT(*) AS total_loans
+FROM loan
+WHERE date < 930907
+GROUP BY date
+ORDER BY date DESC;
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query17
+SELECT date, duration, COUNT(*) AS total_loans
+FROM loan
+WHERE date >= 971201 AND  date <= 971231
+GROUP BY date, duration
+ORDER BY date ASC;
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#Query18
+SELECT account_id, type, SUM(amount) AS total_transactions
+FROM trans
+WHERE account_id = 396 AND (type = 'VYDAJ' OR type = 'PRIJEM')
+GROUP BY account_id, type
+ORDER BY type ASC;