SQL DELETE vs TRUNCATE – Deleting Data
Deleting data is always an exciting (or nerve-wracking?) task! In this article, we will explore… Read More »SQL DELETE vs TRUNCATE – Deleting Data
Deleting data is always an exciting (or nerve-wracking?) task! In this article, we will explore… Read More »SQL DELETE vs TRUNCATE – Deleting Data
In this article, we will explore how to use the SQL QUALIFY clause with window… Read More »SQL QUALIFY – Filtering Data More Precisely with Window Functions
In this article, we will explain two commonly used SQL query features: SELECT DISTINCT and… Read More »SQL SELECT – Removing Duplicates and Excluding Specific Columns
In a data analyst interview, various questions can be asked to assess data analysis and… Read More »[SQL Interview] Differences Between CTE and Subquery
In a data analyst interview, various questions can be asked to evaluate your data analysis… Read More »[SQL Interview] Differences Between RANK() and DENSE_RANK()
In a data analyst interview, various questions can be asked to evaluate your data analysis… Read More »[SQL Interview] Differences Between LEAD() and LAG()
Introduction In this article, we will use the LAG function in BigQuery to analyze commission… Read More »SQL LAG Function Example: Analyzing Cancellation Rates in BigQuery
Introduction: The Significance of JSON in Data Analysis In today’s digital age, JSON (JavaScript Object… Read More »[BigQuery] Mastering SQL for JSON Data Handling: A Practical Guide
In this post, we’ll explore how to declare and assign variables using the SET and… Read More »How to use SQL SET/DECLARE Statements (with example)
In this article, we’ll learn how to handle dates using SQL. We’ll take a closer… Read More »SQL date functions with examples