SQL Practice vs CMD

Learn SQL in 15-minute daily sessions — on your phone, anywhere. SQL Practice turns idle moments into practical data skills. With interactive exercises, realistic datasets, and instant feedback, you’ll build SQL confidence from beginner fundamentals to interview-ready skills. Who it’s for: - Career changers entering tech - Professionals adding SQL to their toolkit - Students preparing for technical interviews - Anyone curious about data and databases Why it’s different: - Learn by doing: write and run real SQL queries - SQL Patterns (Pro): understand reusable approaches instead of memorizing answers - Database Bits (Pro): build intuition with short, visual lessons - Smarter feedback (Pro): see why your result differs from the expected output - Progressive curriculum: start with the fundamentals and advance at your own pace - Mobile-first design: practice whenever you have a few spare minutes When you get stuck: With Pro, SQL Practice helps you move forward without immediately giving away the answer. Use progressive hints, compare your results with the expected output, and explore SQL X-Ray explanations that break queries into understandable steps. What you’ll learn: - SELECT, WHERE, ORDER BY, and filtering - JOINs and relationships between tables - COUNT, SUM, AVG, GROUP BY, and HAVING - Subqueries and advanced query techniques - Reusable SQL patterns (Pro) - Core database concepts, indexes, and data design (Pro) Practice your way: - Guided SQL lessons - Easy, medium, and hard exercises - Quick drills - Short visual database lessons (Pro) - Daily practice challenges - Streaks, XP, achievements, and progress tracking - Hardcore mode: turn off the advanced SQL keyboard and solve the toughest challenges without assistance—the highest level of SQL practice. Free and Pro: Core SQL lessons, exercises, drills, streaks, and basic progress tracking are free. An optional auto-renewing Pro subscription unlocks SQL Patterns, Database Bits, progressive hints, detailed result comparisons, and SQL X-Ray step-by-step explanations. Available plans, billing periods, trial eligibility, and localized prices are shown before purchase. No purchase is required to use the core learning and practice features. Start your data journey today — no prior coding experience required, just 15 minutes of curiosity. Privacy Policy: https://martongreber.github.io/mvp/privacy.html Terms of Use: https://martongreber.github.io/mvp/terms.html

Turn your iPhone or iPad into a professional network diagnostic terminal. CMD: Command Prompt brings the power of the desktop command line to your mobile device, designed specifically for system administrators, network engineers, developers, and tech enthusiasts who need reliable toolsets on the go. PROFESSIONAL NETWORK TOOLS Forgot your laptop? No problem. Diagnosing network issues has never been easier with our suite of essential commands: PING: Check host reachability and latency in real-time. Supports continuous ping (-t) and custom payload sizes logic. TRACEROUTE (TRACERT): Visualize the path your packets take across the internet. Identify bottlenecks and routing loops instantly. IPCONFIG / MYIP: View detailed local network configuration (LAN IP, Subnet) and your public WAN IP address with one tap. PORT SCAN: Audit server security by scanning open TCP ports (80, 443, 22, etc.) on any target. WHOIS: Perform deep lookups on domain names and IP addresses to find registration and ownership data. DNS LOOKUP (NSLOOKUP): Resolve domain names to IP addresses quickly to verify DNS propagation. LAN SCAN: Discover all active devices on your local Wi-Fi network. TERMINAL EXPERIENCE Authentic UI: Retro-style green-on-black terminal interface for that true hacker feel. Smart Input: Accessory bar with Arrow Keys, CTRL+C interrupt, and Tab completion helpers. History: Scroll back through output just like a real console. SSH Explorer Transform your Linux server management with our powerful SSH tool. With full support for secure protocols, the ability to save multiple connection profiles, and direct access to server command history, you can connect to and manage your systems anytime, anywhere. Our intelligent terminal features interactive command support, providing a smooth and fast experience for executing both automated and manual commands, ensuring real-time monitoring of your infrastructure PRIVACY FOCUSED CMD runs all diagnostics locally on your device or via standard internet protocols. We do not track your commands, log your targets, or store your history. Your data is yours. DESIGNED FOR iOS Fast: Built with native Swift for maximum performance. Offline First: Many tools work simply with your local connection. Modern: Supports Light/Dark mode (though Dark Mode is recommended for the true terminal vibe!). Whether you are fixing the office Wi-Fi, debugging a server, or just curious about your network connection, CMD is the only tool you need. Download CMD: Command Prompt today and take control of your network.