use HR select ROUND (3.44,5)– yuvarlama yapar select ABS (-1234)– mutlak değer alır select POWER (3,4)– ÜST değer alır select avg (salary) as ortalama from EMPLOYEES– tüm satırları toplayıp satır sayısına böler select max (salary) as ortalama from EMPLOYEES — en yuksek bir tanesini getirir select min (salary) as ortalama from EMPLOYEES — en düşük […]

SQL LOWER UPPER , LEN , CHARINDEX, REPLACE, TRIM FONSİYONLARI ORNELKERİ SELECT SUBSTRING (LAST_NAME,3,5) FROM EMPLOYEES — SUBSTRING 3, KARAKTER DEN BASLAYIP 5 KARAKTER GETİR WHERE LOWER (LAST_NAME) LIKE ‘__k%’ –LOWER FONKSİYONU TÜM KARAKTERİ KÜCÜLTÜR SELECT SUBSTRING (‘MERHABA DUNYA’,9,3) — LEN FONKDİYONU SELECT LEN (LAST_NAME) FROM EMPLOYEES — LEN KAC KARAKTER OLDUĞUNU SAYAR –CHARINDEX FPNSİYONU […]

SQL DE BİRLEŞTİRME YAPMAK İÇİN KOLONLR İÇİN CONCAT KULLANILABİLİR ASAĞIDA ÖRNEKTE GÖREBİLRİSİNİZ SELECT CONCAT (LAST_NAME,JOB_ID,’ MESLESĞİ’, JOB_ID) FROM EMPLOYEES — CONCAT BİRLEŞTİRME İŞLEMİ YAPAR WHERE LOWER (LAST_NAME) LIKE ‘__k%’ –LOWER FONKSİYONU TÜM KARAKTERİ KÜCÜLTÜR  

LOWER VE UPPER  KOMUT ÖRNEKLERİ SELECT FIRST_NAME, LOWER (LAST_NAME), JOB_ID FROM EMPLOYEES WHERE LOWER (LAST_NAME) LIKE ‘__k%’ –LOWER FONKSİYONU TÜM KARAKTERİ KÜCÜLTÜR SELECT FIRST_NAME, UPPER (LAST_NAME), JOB_ID FROM EMPLOYEES WHERE UPPER (LAST_NAME) LIKE ‘__k%’ –UPPER FONKSİYONU TÜM KARAKTERİ BÜYÜTÜR

use HR SELECT EMPLOYEE_ID,LAST_NAME,JOB_ID,SALARY FROM EMPLOYEES WHERE SALARY>=10000 AND JOB_ID LIKE ‘%MAN%’ — AND İLE TÜM KOSULLAR SAĞLANIRSA GELİR– SELECT EMPLOYEE_ID,LAST_NAME,JOB_ID,SALARY FROM EMPLOYEES WHERE SALARY>=10000 OR JOB_ID LIKE ‘%MAN%’ — OR İLE KOŞULUN HERHANGİ BİRTANESİ SAĞLANIRSA GETİRİR– SELECT EMPLOYEE_ID,LAST_NAME,JOB_ID,SALARY FROM EMPLOYEES WHERE JOB_ID NOT IN ( ‘SA_REP’ )– IN KOMUTU İLE KOŞUL SAĞLANIRSA GETİRİR– SELECT […]

use HR SELECT EMPLOYEE_ID,LAST_NAME,JOB_ID,SALARY FROM EMPLOYEES WHERE SALARY>=10000 AND JOB_ID LIKE ‘%MAN%’ — AND İLE TÜM KOSULLAR SAĞLANIRSA GELİR– SELECT EMPLOYEE_ID,LAST_NAME,JOB_ID,SALARY FROM EMPLOYEES WHERE SALARY>=10000 OR JOB_ID LIKE ‘%MAN%’ — OR İLE KOŞULUN HERHANGİ BİRTANESİ SAĞLANIRSA GETİRİR–

use HR –VERİTABANIMIZA BAĞLANDIK– SELECT –GETİR DEMEK– DEPARTMENT_ID,DEPARTMENT_NAME –TABLODAKİ KOLONLAR– FROM –HANGİ TABLODAN GETİRELİM- DEPARTMENTS GO –SORGUNUN BİTTİĞİNİ GÖSTERİR– SELECT * FROM JOBS SELECT LAST_NAME AS –GÖRÜNEN İSMİNİ DEĞİŞTİR– SOYADİ ,SALARY ,COMMISSION_PCT,SALARY*COMMISSION_PCT FROM EMPLOYEES “NULL” SELECT FIRST_NAME,LAST_NAME,FIRST_NAME+ ‘ HASAN AYLAS ‘+ LAST_NAME AS “SOYADİ” FROM EMPLOYEES SELECT DISTINCT –TEKRARLI KOMUTLARI YOKET- DEPARTMENT_ID FROM EMPLOYEES EXECUTE […]