How to Group Rows by Category and Time Interval in PostgreSQL Using Nested Aggregation and Window Functions

Understanding PostgreSQL's Syntax Error When Exporting Data to JSON File Using \copy Command

Understanding DB::statement() in Laravel 5.5: Effective Usage and Best Practices

Querying Many-To-Many Tables in PostgreSQL: A Solution with GROUP BY and json_agg

Retrieving the Latest Paid Property for Each User Using DISTINCT ON Clause

Processing Natural Language Queries in SQL: Leveraging Levenshtein Distance, pg_trgm, and Beyond for Enhanced Database Search Functionality

Returning Records from Multiple Tables That Belong to the Same Group or Do Not Belong to Any Group in Rails 5

Optimizing MySQL Queries with Common Table Expressions: A Comprehensive Guide

Uniting Two Statements in SQL: A Comprehensive Guide to JOINs and Subqueries

Capitalizing the First Character of a String While Keeping the Rest Unchanged Using Postgres String Functions