Comparing Values Following Each Other in Pandas DataFrames: A Two-Pronged Approach Using Duplicated and Shift

How to Add a New Column to an Existing SQL Query for Enhanced Data Analysis and Reporting

Getting the Maximum Value of a Calculated Column Within a Specific Time Interval in SQL

Optimizing Varying Calculations in SQLite: A Comparative Analysis of Conditional Aggregation, TOTAL(), and FILTER Clauses.

Creating a New Column in Pandas Using Logical Slicing and Group By by Different Columns

How to Convert INT Values to Quarter Names Accurately in SQL Server Calculated Columns