Trending Data Science Blogs

13 Jan 2026 | 12 min read

DDL commands in SQL define and modify the structure of database objects such as tables, indexes, and schemas. Unlike commands that handle data, DDL focuses on the layout and organization of the database. These operations are auto-committed, meaning changes are saved permanently once executed. In this blog, you’ll learn what DDL commands in SQL are, their key characteristics, types with syntax and

13 Jan 2026 | 9 min read

Types of hypotheses in Research come in various forms, including Simple vs. Complex (single vs. multiple variables), Directional vs. Non-Directional (predicting direction vs. just relationship), Null vs. Alternative (no effect vs. effect exists), and Associative vs. Causal (correlation vs. cause-effect). Empirical and Statistical hypotheses further support testing and data-driven validation. In th

12 Jan 2026 | 6 min read

Ever wondered how businesses keep payroll accurate and hassle-free? While there’s no magic shortcut for payroll management, creating a salary sheet in Excel is one of the simplest and most efficient ways to handle employee salaries. With the right structure and formulas, Excel transforms complex calculations into a smooth, automated process. In this guide, you’ll learn what a salary sheet in Excel

12 Jan 2026 | 8 min read

Need to combine data from two columns in Excel? The easiest way is to use formulas like =A1 & " " & B1 with the Ampersand (&) or =CONCAT(A1, " ", B1) for CONCAT/CONCATENATE. Add separators such as spaces or commas within quotes, drag the formula down, and then copy-paste as values to make it permanent. For advanced scenarios, tools like Flash Fill or Power Query can automate the process, but formu

12 Jan 2026 | 6 min read

Ready to give your spreadsheet a polished look? Merging cells in Excel is a simple way to create clean titles and organized layouts. Just select the cells you want to combine, go to the Home tab, and choose Merge & Center or Merge Cells under the Alignment group. Merge & Center combines cells and centers the content, while Merge Cells merges them without changing alignment. In this guide, you’ll l

06 Jan 2026 | 41 min read

Quick Overview: It is an ideal project for mastering Object-Oriented Programming (OOP), data handling, and user interaction in Python. The system includes core banking functions like creating new accounts, depositing and withdrawing funds, checking the balance, and displaying account details. Following the step-by-step tutorial and using the complete source code provides essential hands-on experie

06 Jan 2026 | 11 min read

Do You Know? According to the US Bureau of Labour Statistics, Employment of data scientists is expected to grow 34% by 2034. A data scientist salary in India is among the highest in the tech industry. According to Ambition Box, a data scientist can earn around INR 15.1 LPA, with monthly salaries ranging from INR 78,000 to INR 80,000. However, data science salary in India is not the same for everyo

09 Dec 2025 | 34 min read

Data science has become a must-have skill today because it helps companies understand data, solve real problems, and make smarter decisions. With most organizations relying on data-driven strategies, working on a solid data science project is one of the best ways to build confidence and stand out as a learner. To make your journey easier, we’ve handpicked 30 data science projects you can start rig

07 Dec 2025 | 47 min read

Big data refers to large, diverse information sets that require advanced tools to process and analyze. These data sets may originate from social media, sensors, transactions, or other sources. Each one carries valuable patterns and trends that can spark new insights across many fields. Working on big data projects, such as EDA with Python, building prediction models, building fraud detection model