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Şirkət idarəetmə proqramı kimi düşünün. Department datalarımız var.Hər departamentin adı var. Employee datalarımız var və hər bir emoloyee-in Adı, Soyadı, Email, Maaşı və hansı departmentdə işlədiyini bildiren columnları var. CompanyDB
Departments
Name - bosh ola bilmez, tekrarlanmamalidir
Employees
Name - bosh ola bilmez
Surname - bosh ola bilmez
Salary - bosh ola bilmez
Email - bosh ola bilmez, tekrarlanmamalidir
DepartmentName - bosh ola bilmez
Bu şərtlərə əsasən sql-də commandlarla (ddl və dml) yaradıb içinə datalar insert edirsiniz.Daha sonra aşağıdakı select query-lərini yazırsınız.
========== DDL ==========
Database yaradirsiniz
Database secirsiniz
Secdiyiniz database'de Table yaradirsiniz
Table silirsiniz
Column elave edirsiniz
Column tipini deyishirsiniz
Column silirsiniz
========== DML ==========
Her table'a 5 data insert edirsiniz
Datalari deyishirniz
Datalari silirsiniz
Maaşı 1000-dən çox olan işçiləri select edən query
İşçilərin ad və soyadlarını birləşdirib fullname kimi göstərən select query
Maaşı 1000 - 2500 aralığında olan işçiləri göstərən select query
Adında A hərfi olan işçiləri göstərən select query - (bunu araşdırın)
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