@shivani192
Helping people learn Tech & AI | Python Programmer | Data Science @IIT Madras | YouTube Shorts Creator | Tech Writer |
Hi, I'm Shivani Vishwakarma! I’m currently pursuing my Diploma in Data Science from IIT Madras BS. Now, I’m actively building my skills in data science, with a strong focus on large-scale data management and practical applications. Excited to share my journey and insights!
Tech writing collaborations, internships, open-source contributions, and beginner-friendly freelance projects.
Dec 14, 2025 · 3 min read · postgresql SQL Practice 1️⃣ Install & start PostgreSQL (Ubuntu) sudo apt install postgresql postgresql-contrib sudo -u postgres psql 2️⃣ Create and connect to a database CREATE DATABASE company_db; \c company_db 📌 \c is a psql command used to con...
Join discussionNov 26, 2025 · 6 min read · Height of a Complete Binary Tree The height of a complete binary tree is always O(log n)because nodes are filled level by level. Complete Binary Tree (CBT) A Complete Binary Tree is a binary tree in which: All levels are completely filled except po...
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Nov 14, 2025 · 6 min read · 🔁 Loops vs 🔄 Recursion in Python:- ✅ What are they? Loops and recursion are two ways to repeat a task in programming. 🔁 Loops Loops use for or while statements to run a block of code multiple times. ✅ Use when: You know how many times to repeat ...
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Mar 14, 2025 · 4 min read · Management of Data or Records: A Fundamental Need Why Data Management Matters? Management of data or records is a basic need for human society, enabling: Storage Retrieval Transaction Audit Archival This applies to: Individuals Small & Large...
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Feb 24, 2025 · 6 min read · set operations in SQL are used to combine the results of two or more SELECT queries into a single result set while eliminating or preserving duplicates as needed. The primary set operations include: UNION, UNION ALL, INTERSECT, and EXCEPT (or MINUS i...
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