Vazifa - oldindan yaratilgan uchta sxemada 6 ta jadval yaratish

Vazifa: Beshinchi daraja oltinchi dars ko'rsatmalariga muvofiq:

1. space sxemasida object jadvalini beshta ustun bilan yarat:
   • id turida INT
   • name turida VARCHAR(100)
   • type turida VARCHAR(50)
   • discoverer turida VARCHAR(100)
   • discovery_date turida DATE
2. library sxemasida yarat:
   1. publisher jadvalini ikkita ustun bilan:
      • id turida INT
      • name turida VARCHAR(100)
   2. author jadvalini to'rtta ustun bilan:
      • id turida INT
      • first_name turida VARCHAR(50)
      • last_name turida VARCHAR(50)
      • full_name turida VARCHAR(100)
   3. book jadvalini oltita ustun bilan:
      • id turida INT
      • title turida VARCHAR(100)
      • author_id turida INT
      • publisher_id turida INT
      • publication_year turida INT
      • isbn turida BIGINT
3. lego sxemasida yarat:
   1. part jadvalini to'rtta ustun bilan:
      • id turida INT
      • number turida VARCHAR(25)
      • name turida VARCHAR(100)
      • weight turida FLOAT
   2. lego_set jadvalini beshta ustun bilan:
      • id turida INT
      • number turida INT
      • name turida VARCHAR(100)
      • released turida INT
      • inventory turida INT