Codility - Pricing, Features, and Details in 2026
Codility - Pricing, Features, and Details in 2026
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Reading Candidates' Reports
Reading Candidates' Reports
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codility.com
Learn SQL in under 60 seconds, follow for the full series! Want cleaner, easier-to-read SQL? Start using comments. They help you explain your logic, disable parts of a query, and keep everything organized. In this quick tutorial, you’ll learn: ✅ How to write single-line comments with the double dash (—) ✅ How to write multi-line comments using slash-star (/* … */) 👉 Follow for more daily SQL tips 👉 Want hands-on practice? The full SQL course is in our bio #SQL #dataanalytics #datascience #pyth
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Learn SQL in under 60 seconds, follow for the full series! Want cle…
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Learn SQL in under 60 seconds. Follow for the full series! ⚠️ Quick tip: Use = mainly with numbers (they also work alphabetically with text, but that’s advanced). To check NULL, use IS NULL or IS NOT NULL, not =. 👉 Follow our page to watch the full SQL basics series, or check the link in bio for the complete course with hands-on practice. #SQL #LearnSQL #SQLTutorial #DataAnalytics #DataScience #ProgrammingBasics #DatabaseSkills #Codefinity | Codefinity
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Learn SQL in under 60 seconds. Follow for the full series! ⚠️ Quic…
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Coding | Notes | Jobs on Instagram: "I wish someone showed me this SQL roadmap when I started… Mastering SQL becomes 10× easier when you follow the right steps 💡 Here’s the roadmap every beginner should save: 🔹 Basics – What is RDBMS, SQL vs NoSQL 🔹 Data Types – INT, VARCHAR, DATE, BOOLEAN 🔹 Keywords – SELECT, WHERE, ORDER BY, LIMIT 🔹 DDL – CREATE, ALTER, DROP 🔹 DML – INSERT, UPDATE, DELETE 🔹 Aggregation – SUM, AVG, COUNT, MAX, MIN 🔹 Constraints – PK, FK, UNIQUE, CHECK 🔹 JOINS – INNER,
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Coding | Notes | Jobs on Instagram: "I wish someone showed me this …
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Nilesh Hadalgi | Techie Programmer on Instagram: "🚀 Practicing SQL just got way easier with this free VS Code extension 🔥 💡 Here’s how to use it: 1️⃣ Install the SQLite extension in VS Code. 2️⃣ Create a file with the .db extension. 3️⃣ Write & run your queries instantly. 4️⃣ Explore databases, tables, columns, and outputs—all in one place. No setup. No hassle. Just clean SQL practice inside your favorite editor 💻✨ Would you try this out? 👇 #sql #vscode #sqlite #programmingtips #learnsql #s
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Nilesh Hadalgi | Techie Programmer on Instagram: "🚀 Practicing SQL ju…
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Codefinity | Online Courses on Instagram: "Learn SQL in 60 seconds — follow for the full series! The GROUP BY statement lets you turn rows into summaries — like finding total population by continent or counting countries per region 🌍 ✅ Group rows that share the same value ✅ Use GROUP BY with functions like COUNT(), SUM(), and AVG() ✅ Create clean, easy-to-read summaries from large tables 👉 Follow our page for more daily SQL lessons. 👉 Want hands-on practice? The full interactive SQL course is
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