Using Table Aliases to Retrieve Data from One Table Based on Values Present in Another Table

Understanding SQL Joins and Subqueries: A Case Study on Selecting the Most Efficient Query

Querying Timestamps in SQL Server: Techniques for Retrieving Values Before and After a Specific Date

Rolling Weekend Counts into Monday's Count Using SQL Date Functions

Refactoring Subqueries from SELECT to FROM: A Better Approach for Database Performance and Readability

Finding the Most Active Video Maker within Multiple Tables (SQLite)

Update a Flag Only If All Matching Conditions Fail Using Oracle SQL

Mapping Not-Matching Parent Records After Database Migration

Optimizing Aggregate Functions with array_agg: A Guide to Joining Tables Effectively