Converting VARCHAR to DateTime Format in MySQL and SQL Server: A Step-by-Step Guide

Understanding SQL Strings and Datetime Conversions: Mastering Date Format Conversion

Extracting Whole Words Till End from a Keyword in SQL: A Comparative Approach

Weekly Counts in SQL Server: Unpivoting and Aggregating Date Columns

Joining Columns Together if Everything Else in the Row is Identical: A SQL Server 2017 and Later Solution for Efficient String Aggregation

Oracle Subtraction with First Value and Running Sum

Understanding the Behavior of Aggregate Functions in APPLY Blocks

Understanding Nested or Correlated Subquery SQL with Joins

Force dbGetQuery to Return POSIXct Timestamps Directly from SQL Server Databases

How to Write a Complex Clickhouse SQL Query for Sum of Values Based on Specific Conditions