Nov 22From Data to Dashboards : A Beginner’s Guide to Analyzing, Designing KPIs, and Creating Tableau ReportsCase Study Balanced Tree Clothing Company prides themselves on providing an optimised range of clothing and lifestyle wear for the modern adventurer. As a data analyst we need to create a tableau dashboard focusing on sales performance KPIs and provide insights on the revenue by different angles/perspective. For more information on this…Tableau5 min readTableau5 min read
Oct 22Mastering NULLs Like a Pro: COALESCE vs IFNULL vs NULLIF in ActionNULL is a critical concept in databases, signifying the absence or unknown nature of data. Its significance lies in its role in maintaining data integrity and handling missing or uncertain information gracefully. In this blog, we’ll explore three key NULL functions that play a pivotal role in efficiently handling and…Null6 min readNull6 min read
Oct 11Data Cleaning Part 1: Mastering Data Standardization with SQLData standardization is a fundamental step in data management to ensure data quality and consistency making it suitable for analysis, reporting, and decision-making.Overall, failing to standardize data can result in data that is difficult to work with, error-prone, and less reliable. Let’s explore the process of data cleaning and put…Data Cleaning4 min readData Cleaning4 min read
Sep 23SQL Interview Mastery : Top 10 Questions Answered !“Unlock the key to SQL interview success with our comprehensive guide. Whether you’re gearing up for an interview, eager to sharpen your SQL skills, or simply craving hands-on practice, you’re in the right place. In this blog, we’ve curated the most commonly asked interview questions and fundamental SQL concepts to…Sql6 min readSql6 min read
Sep 18Mastering Top 3 SQL Window Functions: SQL 101Window functions are crucial in SQL for data analysis and reporting. They enable efficient ranking, grouping, and analytical calculations within result sets and are MUST to be known in interviews and real world. Top 3 Functions RANK assigns ranks to rows based on specific criteria. DENSE_RANK provides consecutive ranks for tied values ROW_NUMBER…Data Analysis6 min readData Analysis6 min read
Sep 4Mastering SQL for Interviews and Real World Success: A Beginner’s GuideAre you gearing up for a SQL interview? Whether you’re a newcomer to the world of databases or looking to refresh your skills for real-life data challenges, this guide will take you through the key steps to success. Why SQL is worth learning Learning SQL is a valuable skill for…Sql2 min readSql2 min read
