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BNP_Lab4.txt

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+
+-- First Query
+SELECT V.ime, V.prezime FROM Vraboten V
+JOIN Shalterski_rabotnik SR ON V.ID = SR.ID
+JOIN Transakcija_shalter TS ON SR.ID = TS.ID_v
+JOIN Smetka S ON TS.broj = S.broj
+WHERE TS.suma > 1000 AND S.valuta = 'EUR' AND TS.tip = 'isplata'
+ORDER BY V.ime;
+
+-- Second Query
+SELECT K.ime, K.prezime FROM Klient K
+JOIN Smetka S ON K.MBR_k = S.MBR_k
+JOIN Transakcija_bankomat TB ON S.broj = TB.broj
+WHERE TB.suma > 400 AND S.valuta = 'USD'
+ORDER BY K.ime;
+
+-- Third Query
+SELECT S.* FROM Smetka S
+WHERE S.valuta = 'MKD' AND EXISTS (
+    SELECT * FROM Transakcija_shalter TS
+    WHERE TS.broj = S.broj AND TS.tip = 'isplata' AND TS.datum NOT BETWEEN '2021-01-01' AND '2021-12-31' AND TS.tip = 'isplata'
+    ) AND EXISTS (
+    SELECT * FROM Transakcija_shalter TB
+    WHERE TB.broj = S.broj AND TB.datum NOT BETWEEN '2021-01-01' AND '2021-12-31'
+    )
+ORDER BY S.broj;
+
+-- Fourth Query
+SELECT K.* FROM Klient K
+JOIN Smetka S ON K.MBR_k = S.MBR_k
+WHERE S.valuta = 'EUR' AND EXISTS(
+    SELECT * FROM Transakcija_bankomat TB
+    WHERE TB.broj = S.broj
+) AND NOT EXISTS(
+    SELECT * FROM Transakcija_shalter TS
+    WHERE TS.broj = S.broj
+)
+ORDER BY K.ime;
+
+-- Fifth Query
+WITH Transaction_count AS (
+    SELECT TS.ID, TS.datum, COUNT(*) AS transactions FROM Transakcija_shalter TS
+    GROUP BY TS.ID, TS.datum
+),
+Max_transaction AS (
+    SELECT TC.ID, MAX(TC.transactions) AS max_transactions FROM Transaction_count TC
+    GROUP BY TC.ID
+
+)
+SELECT TC.ID, TC.datum,TC.transactions FROM Transaction_count TC
+JOIN Max_transaction MT ON TC.ID = MT.ID
+ORDER BY TC.ID;
+
+-- Fifth Query(Not sure)
+SELECT TS.ID_v as vraboten, TS.datum, MAX(broj_trans) as broj_transakcii FROM (
+    SELECT ID_v, datum, COUNT(*) AS broj_trans FROM Transakcija_shalter TS
+    GROUP BY TS.ID_v,datum
+) TS
+GROUP BY TS.ID_v, datum
+HAVING (broj_transakcii = MAX(broj_trans));
+
+
+-- Sixth Query
+WITH Average_TS AS (
+    SELECT TS.broj, AVG(TS.suma) AS avg_ts_suma FROM Transakcija_shalter TS
+    WHERE TS.datum BETWEEN '2021-01-01' AND '2021-12-31' AND TS.tip = 'isplata'
+    GROUP BY TS.broj
+),
+Average_TB AS (
+    SELECT TB.broj, AVG(TB.suma) as avg_tb_suma FROM Transakcija_bankomat TB
+    WHERE TB.datum BETWEEN '2021-01-01' AND '2021-12-31'
+    GROUP BY TB.broj
+)
+SELECT S.broj, COALESCE(ATS.avg_ts_suma, 0) AS avg_ts_suma, COALESCE(ATB.avg_tb_suma, 0) AS avg_tb_suma  FROM Smetka S
+LEFT JOIN Average_TS ATS ON S.broj = ATS.broj
+LEFT JOIN Average_TB ATB ON S.broj = ATB.broj
+WHERE S.valuta = 'EUR' OR S.valuta = 'USD'
+ORDER BY S.broj;
+
+-- Sixth Query(Not sure)
+SELECT s.MBR_k,s.broj,AVG(tb.suma) AS prosechna_isplata_bankomat,avg(ts.suma) AS prosechna_isplata_shalter FROM Smetka s
+JOIN Transakcija_bankomat tb ON s.broj=tb.broj AND tb.datum LIKE '2021%'
+JOIN Transakcija_shalter ts ON s.broj=ts.broj AND ts.tip='isplata' AND ts.datum LIKE '2021%'
+WHERE s.valuta='EUR' or s.valuta='USD'
+GROUP BY s.broj
+ORDER BY s.broj