O'zbеkiston r

Master_yangilash1 triggerini yaratamiz;

8. 
   – rasm. Master_yangilash triggerini yaratish
   

2. 
   Triggerni ishlatamiz; IDsi 3ga teng xodimning yoshiga 5 ni qo’shamiz;
   

Eslatma: bu ma’lumotni yuqorida master0 jadvaliga ham ko’chirdik;

8. 
   – rasm. Trigger yaratilgan jadvalda Update operatorini qo’llash
   

3. 
   Master0 ni ko’ramiz;
   

8. 
   rasm. Update operatorini ishlatilganidan keyin master0 jadvalidagi ma’lumotlarning o’zgarishi
   

2.4. Master jadvalidagi o’zgarishni ham ko’ramiz;

17.11 – rasm. Master jadvalidagi Update operatorini qo`llagandan keying o`zgarishlar
3. Before insert trigger:

1. 
   master_kiritish_oldin triggerini yaratamiz.
   

12. 
    – rasm. Master_kiritish_oldin triggerini yaratish so`rovi
    

2. 
   Yaratgan triggerimizni ishlatamiz va natijasini master0 jadvalida ko’ramiz; ya’ni biz trigger yordamida yangi satr kiritdik.
   

17.13 – rasm. Master_kiritish_oldin triggerni ishlashi natijasi
4. After insert trigger
4.1. Master_kiritish_keyin triggerini yaratamiz.

14. 
    – rasm. Master_kiritish_keyin triggerini yaratish so`rovi
    

2. 
   Yaratgan triggerimizni ishlatamiz va natijasini master0 jadvalida ko’ramiz; ya’ni biz trigger yordamida yana yangi satr kiritdik.
   

17.14 – rasm. Master_kiritish_keyin triggerining ishlash natijasi