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personel tablosunda adı soyadı maas dogumyiğli sutunlarını soyada göre z-a sıralayın sıralarken doğum yılı 1995 büyük ya da 1990 dan küçük kişilerle maaşı 1800 tl nin üstündekiler listelensin
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İLK KOD:
SELECT SUM(MAAS) AS TOPLAM_MAAS FROM PERSONEL WHERE DOGUMYILI=1992
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İKİNCİ KOD:
SELECT AVG(MAAS) AS ORTALAMA_MAAS FROM PERSONEL WHERE DOGUMYILI=1992
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ÜÇÜNCÜ KOD:
SELECT MAX(MAAS) AS MAX_MAAS FROM PERSONEL WHERE DOGUMYILI=1992
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DÖRDÜNCÜ KOD:
SELECT COUNT(*) FROM PERSONEL WHERE DOGUMYILI IN (1991, 1992)
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BEŞİNCİ KOD:
SELECT LENGTH(KITAPADI), KITAPADI FROM KITAPLAR
SELECT LENGTH(KITAPADI) AS K_SAYISI, KITAPADI FROM KITAPLAR ORDER BY K_SAYISI DESC
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ALTINCI KOD:
SELECT * FROM PERSONEL
SELECT AD, SOYAD,TO_CHAR(MAAS) FROM PERSONEL
SELECT AD, SOYAD, DOGUMYILI FROM PERSONEL
SELECT DOGUMYILI FROM PERSONEL GROUP BY DOGUMYILI
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YEDİNCİ KOD:
SELECT DOGUMYILI FROM PERSONEL GROUP BY DOGUMYILI
SELECT MAX(MAAS) AS MAX_MAAS FROM PERSONEL WHERE DOGUMYILI = 1990 GROUP BY AD
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SEKİZİNCİ KOD:
SELECT MAX(MAAS) FROM PERSONEL WHERE DOGUMYILI=1990
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SORU:
Personel tablosunda, ad, soyad, maas, dogum tarihi listelensin.
Listelenirken personel adı küçük karakter olsun,
personel soyadı sütunundaki karakter sayısı gelsin.
Son olarak soyadındaki karakter sayısına göre sıralansın.
SELECT LOWER(AD),LENGTH(SOYAD) AS K_SAYISI, SOYAD, MAAS, DOGUMYILI FROM PERSONEL ORDER BY K_SAYISI ASC
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