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Ma'lumot yo'q24 soatlar

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SQL Joins ✅

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𝗧𝗼𝗽 𝟱 𝗪𝗲𝗯𝘀𝗶𝘁𝗲𝘀 𝘁𝗼 𝗟𝗲𝗮𝗿𝗻 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 𝗶𝗻 𝟮𝟬𝟮𝟱😍 Learning JavaScript doesn’t have to be boring anymore!💫 If endless tutorials make your eyes glaze over, we’ve got just the thing — these super fun & interactive platforms turn learning JavaScript into a game👨‍💻 𝐋𝐢𝐧𝐤👇:- https://pdlink.in/3T4yYbP Perfect for daily practice, weekend sprints, or anyone who learns better with hands-on interaction!9✅️

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SQL CHEAT SHEET👩‍💻 Here is a quick cheat sheet of some of the most essential SQL commands: SELECT - Retrieves data from a database UPDATE - Updates existing data in a database DELETE - Removes data from a database INSERT - Adds data to a database CREATE - Creates an object such as a database or table ALTER - Modifies an existing object in a database DROP -Deletes an entire table or database ORDER BY - Sorts the selected data in an ascending or descending order WHERE – Condition used to filter a specific set of records from the database GROUP BY - Groups a set of data by a common parameter HAVING - Allows the use of aggregate functions within the query JOIN - Joins two or more tables together to retrieve data INDEX - Creates an index on a table, to speed up search times.

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𝗧𝗲𝗰𝗵 𝗝𝗼𝗯𝘀 𝗜𝗻 𝗧𝗼𝗽 𝗖𝗼𝗺𝗽𝗮𝗻𝗶𝗲𝘀 | Across India😍 Companies Hiring:- Google, Microsoft, Cognizant, Infosys, TCS & Many More Roles:- Data Analysts ,Data Scientits ,Software Engineers & Other roles 𝗔𝗽𝗽𝗹𝘆 𝗡𝗼𝘄👇:- https://bit.ly/44qMX2k Select your experience & Complete The Registration Process ✅ Start applying to jobs that fit your profile and boost your career growth!

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Skills to become a successful web developer💯👨🏻‍💻 1. HTML/CSS Basics 📄🎨 Master the building blocks of the web. 2. JavaScript 💻⚡ Add interactivity and dynamic content to your sites. 3. Responsive Design 📱🌍 Ensure your sites look great on all devices! 4. Version Control (Git) 🛠️🔄 Track changes and collaborate with ease. 5. Frameworks (React, Angular, etc) 🚀🛠️ Speed up development with powerful tools. 6. Backend Languages (Node.js, Python, etc)🐍💻 Handle server-side logic and databases. 7. APIs 🔗📡 Connect and integrate with other services. 8. Problem-Solving Skills 🧩🤔 Tackle challenges creatively and efficiently. 9. Testing/Debugging 🔍🐞 Ensure your code runs smoothly and bug-free. 10. Soft Skills (Communication, Teamwork) 🗣️🤝 Work effectively with others and convey ideas clearly. 11. Continuous Learning 📚✨ Stay updated with the latest technologies and trends. Web Development Best Resources: https://topmate.io/coding/930165 ENJOY LEARNING 👍👍 #webdev

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Repost from SQL Programming Resources

𝟰 𝗕𝗲𝘀𝘁 𝗙𝗿𝗲𝗲 𝗦𝗤𝗟 𝗥𝗲𝘀𝗼𝘂𝗿𝗰𝗲𝘀 𝘁𝗼 𝗟𝗲𝗮𝗿𝗻 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀😍 Want to break into Data Analytics?💫 It all starts with SQL — the language every data analyst needs to master. Whether you’re analyzing trends, pulling business reports, or cleaning datasets, SQL is at the heart of it all👨‍💻📌 𝐋𝐢𝐧𝐤👇:- https://pdlink.in/44oj5Ds Perfect for students, freshers, job seekers, or anyone transitioning into tech✅️

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Don't overwhelm to learn JavaScript, JavaScript is only this much 1.Variables • var • let • const 2. Data Types • number • string • boolean • null • undefined • symbol 3.Declaring variables • var • let • const 4.Expressions Primary expressions • this • Literals • [] • {} • function • class • function* • async function • async function* • /ab+c/i • string • ( ) Left-hand-side expressions • Property accessors • ?. • new • new .target • import.meta • super • import() 5.operators • Arithmetic Operators: +, -, *, /, % • Comparison Operators: ==, ===, !=, !==, <, >, <=, >= • Logical Operators: &&, ||, ! 6.Control Structures • if • else if • else • switch • case • default 7.Iterations/Loop • do...while • for • for...in • for...of • for await...of • while 8.Functions • Arrow Functions • Default parameters • Rest parameters • arguments • Method definitions • getter • setter 9.Objects and Arrays • Object Literal: { key: value } • Array Literal: [element1, element2, ...] • Object Methods and Properties • Array Methods: push(), pop(), shift(), unshift(), splice(), slice(), forEach(), map(), filter() 10.Classes and Prototypes • Class Declaration • Constructor Functions • Prototypal Inheritance • extends keyword • super keyword • Private class features • Public class fields • static • Static initialization blocks 11.Error Handling • try, • catch, • finally (exception handling) ADVANCED CONCEPTS 12.Closures • Lexical Scope • Function Scope • Closure Use Cases 13.Asynchronous JavaScript • Callback Functions • Promises • async/await Syntax • Fetch API • XMLHttpRequest 14.Modules • import and export Statements (ES6 Modules) • CommonJS Modules (require, module.exports) 15.Event Handling • Event Listeners • Event Object • Bubbling and Capturing 16.DOM Manipulation • Selecting DOM Elements • Modifying Element Properties • Creating and Appending Elements 17.Regular Expressions • Pattern Matching • RegExp Methods: test(), exec(), match(), replace() 18.Browser APIs • localStorage and sessionStorage • navigator Object • Geolocation API • Canvas API 19.Web APIs • setTimeout(), setInterval() • XMLHttpRequest • Fetch API • WebSockets 20.Functional Programming • Higher-Order Functions • map(), reduce(), filter() • Pure Functions and Immutability 21.Promises and Asynchronous Patterns • Promise Chaining • Error Handling with Promises • Async/Await 22.ES6+ Features • Template Literals • Destructuring Assignment • Rest and Spread Operators • Arrow Functions • Classes and Inheritance • Default Parameters • let, const Block Scoping 23.Browser Object Model (BOM) • window Object • history Object • location Object • navigator Object 24.Node.js Specific Concepts • require() • Node.js Modules (module.exports) • File System Module (fs) • npm (Node Package Manager) 25.Testing Frameworks • Jasmine • Mocha • Jest

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𝗙𝘂𝗹𝗹𝘀𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗙𝗥𝗘𝗘 𝗗𝗲𝗺𝗼 𝗖𝗹𝗮𝘀𝘀 𝗜𝗻 𝗛𝘆𝗱𝗲𝗿𝗮𝗯𝗮𝗱😍 Master Coding Skills & Get Your Dream Job In Top Tech Companies Designed by the Top 1% from IITs and top MNCs. 𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝗲𝘀:- - Unlock Opportunities With 500+ Hiring Partners - 100% Placement assistance - 60+ hiring drives each month 𝗥𝗲𝗴𝗶𝘀𝘁𝗲𝗿 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘👇:- 🔹 Hyderabad:- https://pdlink.in/4cJUWtx 🔹 Pune:- https://pdlink.in/3YA32zi Hurry Up 🏃‍♂️! Limited seats are available.

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The Only SQL You Actually Need For Your First Job (Data Analytics) The Learning Trap: What Most Beginners Fall Into When starting out, it's common to feel like you need to master every possible SQL concept. You binge YouTube videos, tutorials, and courses, yet still feel lost in interviews or when given a real dataset. Common traps: - Complex subqueries - Advanced CTEs - Recursive queries - 100+ tutorials watched - 0 practical experience Reality Check: What You'll Actually Use 75% of the Time Most data analytics roles (especially entry-level) require clarity, speed, and confidence with core SQL operations. Here’s what covers most daily work: 1. SELECT, FROM, WHERE — The Foundation SELECT name, age FROM employees WHERE department = 'Finance'; This is how almost every query begins. Whether exploring a dataset or building a dashboard, these are always in use. 2. JOINs — Combining Data From Multiple Tables SELECT e.name, d.department_name FROM employees e JOIN departments d ON e.department_id = d.id; You’ll often join tables like employee data with department, customer orders with payments, etc. 3. GROUP BY — Summarizing Data SELECT department, COUNT(*) AS employee_count FROM employees GROUP BY department; Used to get summaries by categories like sales per region or users by plan. 4. ORDER BY — Sorting Results SELECT name, salary FROM employees ORDER BY salary DESC; Helps sort output for dashboards or reports. 5. Aggregations — Simple But Powerful Common functions: COUNT(), SUM(), AVG(), MIN(), MAX() SELECT AVG(salary) FROM employees WHERE department = 'IT'; Gives quick insights like average deal size or total revenue. 6. ROW_NUMBER() — Adding Row Logic SELECT * FROM ( SELECT *, ROW_NUMBER() OVER(PARTITION BY customer_id ORDER BY order_date DESC) as rn FROM orders ) sub WHERE rn = 1; Used for deduplication, rankings, or selecting the latest record per group. Credits: https://whatsapp.com/channel/0029VaGgzAk72WTmQFERKh02 React ❤️ for more

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🎮💰 भाइयों! आप गेम खेलते हो, लेकिन क्या आप जानते हो उससे पैसे भी कमाए जा सकते हैं? सिर्फ प्लेयर मत बनो, विनर बनो! हर गेम का अपना "जैकपॉट पैटर्न" होता है — ट्रिक समझो और रोज़ ₹50000 कमाओ! 🔥 आज मैं एक ट्रिक शेयर कर रहा हूँ जो मैंने खुद आज़माई है और काम करती है! ✅ प्लेटफ़ॉर्म: https://tr.ee/OzYJlt 🎰 गेम: Money Coming मैं इसे कई दिन से खेल रहा हूँ — अब मैं रोज़ लाखों कमा रहा हूँ! 💡 स्टेप्स: 1️⃣ ₹100 रिचार्ज करो — तुरंत 20 बोनस मिलेगा 👉 यानी ₹120 से शुरू! 2️⃣ 10 की ₹10 लगातार बेट लगाओ 👉 10वीं बार के बाद जैकपॉट चांस बहुत बढ़ता है! 3️⃣ जीतते ही गेम से बाहर निकलो और फिर से एंटर करो — सिस्टम तुम्हें नए प्लेयर मानेगा और फिर से जीतने का चांस बढ़ेगा! ✅ मैंने ये ट्रिक कई बार टेस्ट की है — रिज़ल्ट जबरदस्त है! 💰 पहली बार मुनाफा होते ही धीरे-धीरे बेट बढ़ाओ — प्रॉफिट 🎁 रोज़ ₹88888 का फ्री लकी ड्रा है — मैं खुद जीत चुका हूँ! 👥 दोस्तों को इनवाइट करो और 100 बोनस पाओ! 📌 लालच मत करो, पहले इन्वेस्ट की गई अमाउंट निकालो फिर बढ़ाओ! 📢अभी Telegram चैनल जॉइन करें और रोज़ाना 99% जीतने वाले सिग्नल पाएं: https://t.me/gujsrk9

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Tips for solving leetcode codings interview problems If input array is sorted then - Binary search - Two pointers If asked for all permutations/subsets then - Backtracking If given a tree then - DFS - BFS If given a graph then - DFS - BFS If given a linked list then - Two pointers If recursion is banned then - Stack If must solve in-place then - Swap corresponding values - Store one or more different values in the same pointer If asked for maximum/minimum subarray/subset/options then - Dynamic programming If asked for top/least K items then - Heap If asked for common strings then - Map - Trie Else - Map/Set for O(1) time & O(n) space - Sort input for O(nlogn) time and O(1) space

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𝗙𝗥𝗘𝗘 𝗠𝗶𝗰𝗿𝗼𝘀𝗼𝗳𝘁 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝘂𝗿𝘀𝗲😍 Dreaming of a career in Data Analytics but don’t know where to begin? The Career Essentials in Data Analysis program by Microsoft and LinkedIn is a 100% FREE learning path designed to equip you with real-world skills and industry-recognized certification. 𝐋𝐢𝐧𝐤👇:- https://pdlink.in/4kPowBj Enroll For FREE & Get Certified ✅️

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𝟏𝟎𝟎+ 𝐅𝐑𝐄𝐄 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐂𝐨𝐮𝐫𝐬𝐞𝐬 😍 - Data Analytics - BigData - Artificial Intelligence - Cloud Computing - Data Science - Machine Learning - Cyber Security 𝐋𝐢𝐧𝐤 👇:- https://pdlink.in/4dJ27Ta Enroll For FREE & Get Certified 🎓

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SQL Interview Questions (0-5 Year Experience)!! Are you preparing for a SQL interview? Here are some essential SQL concepts to review: 𝐁𝐚𝐬𝐢𝐜 𝐒𝐐𝐋 𝐂𝐨𝐧𝐜𝐞𝐩𝐭𝐬: 1. What is SQL, and why is it important in data analytics? 2. Explain the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN. 3. What is the difference between WHERE and HAVING clauses? 4. How do you use GROUP BY and HAVING in a query? 5. Write a query to find duplicate records in a table. 6. How do you retrieve unique values from a table using SQL? 7. Explain the use of aggregate functions like COUNT(), SUM(), AVG(), MIN(), and MAX(). 8. What is the purpose of a DISTINCT keyword in SQL? 𝐈𝐧𝐭𝐞𝐫𝐦𝐞𝐝𝐢𝐚𝐭𝐞 𝐒𝐐𝐋: 1. Write a query to find the second-highest salary from an employee table. 2. What are subqueries and how do you use them? 3. What is a Common Table Expression (CTE)? Give an example of when to use it. 4. Explain window functions like ROW_NUMBER(), RANK(), and DENSE_RANK(). 5. How do you combine results of two queries using UNION and UNION ALL? 6. What are indexes in SQL, and how do they improve query performance? 7. Write a query to calculate the total sales for each month using GROUP BY. 𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐒𝐐𝐋: 1. How do you optimize a slow-running SQL query? 2. What are views in SQL, and when would you use them? 3. What is the difference between a stored procedure and a function in SQL? 4. Explain the difference between TRUNCATE, DELETE, and DROP commands. 5. What are windowing functions, and how are they used in analytics? 6. How do you use PARTITION BY and ORDER BY in window functions? 7. How do you handle NULL values in SQL, and what functions help with that (e.g., COALESCE, ISNULL)? Here you can find essential SQL Interview Resources👇 https://t.me/mysqldata Like this post if you need more 👍❤️ Hope it helps :)

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𝟰 𝗙𝗿𝗲𝗲 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 𝘁𝗼 𝗞𝗶𝗰𝗸𝘀𝘁𝗮𝗿𝘁 𝗬𝗼𝘂𝗿 𝗗𝗮𝘁𝗮 𝗦𝗰𝗶𝗲𝗻𝗰𝗲 𝗝𝗼𝘂𝗿𝗻𝗲𝘆 — 𝗕𝗲𝗴𝗶𝗻𝗻𝗲𝗿-𝗙𝗿𝗶𝗲𝗻𝗱𝗹𝘆 & 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗲𝗱!😍 Ready to kickstart your career in Data Science—without spending a rupee?💰 These 4 beginner-friendly courses will help you build a strong foundation in data science by teaching you how to gather, clean, analyse, and visualise data📊📌 𝗔𝗽𝗽𝗹𝘆 𝗟𝗶𝗻𝗸𝘀:-👇 https://pdlink.in/45uXCtI An initiative supported by NASSCOM and the Government of India✅️

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Guys, Big Announcement! We’ve officially hit 2 MILLION followers — and it’s time to take our Python journey to the next level! I’m super excited to launch the 30-Day Python Coding Challenge — perfect for absolute beginners, interview prep, or anyone wanting to build real projects from scratch. This challenge is your daily dose of Python — bite-sized lessons with hands-on projects so you actually code every day and level up fast. Here’s what you’ll learn over the next 30 days: Week 1: Python Fundamentals - Variables & Data Types (Build your own bio/profile script) - Operators (Mini calculator to sharpen math skills) - Strings & String Methods (Word counter & palindrome checker) - Lists & Tuples (Manage a grocery list like a pro) - Dictionaries & Sets (Create your own contact book) - Conditionals (Make a guess-the-number game) - Loops (Multiplication tables & pattern printing) Week 2: Functions & Logic — Make Your Code Smarter - Functions (Prime number checker) - Function Arguments (Tip calculator with custom tips) - Recursion Basics (Factorials & Fibonacci series) - Lambda, map & filter (Process lists efficiently) - List Comprehensions (Filter odd/even numbers easily) - Error Handling (Build a safe input reader) - Review + Mini Project (Command-line to-do list) Week 3: Files, Modules & OOP - Reading & Writing Files (Save and load notes) - Custom Modules (Create your own utility math module) - Classes & Objects (Student grade tracker) - Inheritance & OOP (RPG character system) - Dunder Methods (Build a custom string class) - OOP Mini Project (Simple bank account system) - Review & Practice (Quiz app using OOP concepts) Week 4: Real-World Python & APIs — Build Cool Apps - JSON & APIs (Fetch weather data) - Web Scraping (Extract titles from HTML) - Regular Expressions (Find emails & phone numbers) - Tkinter GUI (Create a simple counter app) - CLI Tools (Command-line calculator with argparse) - Automation (File organizer script) - Final Project (Choose, build, and polish your app!) React with ❤️ if you're ready for this new journey You can join our WhatsApp channel to access it for free: https://whatsapp.com/channel/0029VaiM08SDuMRaGKd9Wv0L/1661

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