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iiko

So‘nggi vakansiya: 30-mart, 2026

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2
Suhbatlar
1
Savollar
13
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0

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Savollar va vazifalar · 13

DevOps

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Savol: 20 million foydalanuvchi jadvali bor — 20 million satr Har kuni 20 ming ro'yxatdan o'tish. Jadvalda ustunlar bor: CREATE TABLE users ( id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY, name VARCHAR(50) NOT NULL, nickname VARCHAR(40), email VARCHAR(60), created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP(), banned_at TIMESTAMP DEFAULT NULL, status TINYINT(1) DEFAULT 1 ) Ro'yxatdan o'tishda foydalanuvchi faol created_at maydonida ro'yxatdan o'tish sanasi bor Agar foydalanuvchi bloklangan bo'lsa, banned_at vaqt belgisini yozamiz va statusni 0 ga o'zgartiramiz Bir kun ichida ro'yxatdan o'tgan va bloklangan foydalanuvchilar 1% dan oshmaydi Savol: 1. Toza SQL bilan, bugun bloklangan va ro'yxatdan o'tgan foydalanuvchilar sonini qanday hisoblash mumkin? 2. Sizning so'rovingiz uchun optimal ishlash uchun qanday indeks yaratish kerak?

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iiko - company overview - sobes.tech