Yangi jadval yaratish uchun qaysi buyruq ishlatiladi?, Foydalanuvchi yoshini (age) saqlash uchun eng mos tur qaysi?, SUM va COUNT farqi nimada?, Bir jadvalda nechta PRIMARY KEY bo'lishi mumkin?, Ustun bo'sh bo'lmasligini ta'minlovchi cheklov?, SELECT * FROM users; kodi nima qiladi?, Ma'lumotlarni ma'lum bir shart asosida tanlash operatori?, ORDER BY name ASC; kodi ma'lumotni qanday saralaydi?, WHERE name LIKE 'A%'; nimani bildiradi?, Bir vaqtning o'zida ikkita shart bajarilishi uchun qaysi operator kerak?, Shartni teskarisiga o'zgartirish (inkor) operatori?, Jadvaldagi qatorlar sonini sanash uchun qaysi funksiya ishlatiladi?, Ustundagi barcha raqamlarning yig'indisini hisoblaydigan funksiya?, O'rtacha qiymatni topish uchun qaysi agregat funksiya kerak, LIMIT 1; nimani qiladi?, WHERE color = 'Black' OR color = 'White'; nimani bildiradi?, Ikki shartdan biri bajarilsa kifoya qiladigan operator?, WHERE status <> 'Active'; nimani bildiradi?, Ma'lumotlarni saralash (tartiblash) buyrug'i?, Ma'lumotlarni ma'lum bir shart asosida tanlash operatori?.

SQL

โดย
สั่งพิมพ์
ฝัง

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

)
คืนค่าการบันทึกอัตโนมัติ: ใช่ไหม