Understanding Business Days in Oracle Queries: A New Approach Using TRUNC and ISO Week Numbers

Extracting Time Only from Timestamps in DataFrames: A Comprehensive Guide

Date Format Transformation in R Using Base R and dplyr Libraries

Based on the provided specification, I will create a complete response that meets all the requirements. Here is the final answer:

Comparing Dates with IF-THEN-ELSE Inside a PostgreSQL Procedure: Best Practices and Examples

Understanding Regular Expressions in R: A Comprehensive Guide

Querying Date Ranges in PostgreSQL Using the Containment Operator

Optimizing Date Queries in MySQL: Strategies for Efficient Filtering

Understanding the Basics of Time Functions in SQLite: Optimizing Query Performance Through Indexing

Retrieving Latest Date and Total Enrollments from Duplicated School Records