Tags / case
Revised Solution for Mapping Values in Two Columns Using dplyr and %in%
SQL Conditional Select and Conditionals in the WHERE Clause
SQL Solution to Combine Two Months of Demand Data into a Single Row with Aggregated Columns
Creating a Column Based on Substring of Another Column Using `case_when` with Alternative Approaches
Optimizing SQL Queries with Common Table Expressions (CTEs)
Filtering Records Based on Multiple Conditions in SQL Server 2014: A Step-by-Step Approach
Understanding Multiple Conditions in Case Statements with Dates in SQL
Understanding Case Statements in SQL Queries: A Deep Dive into the `COALESCE` Function