SQL - Grouping by Occurrence in X or Y

Counting Services by Specific Date Intervals in PostgreSQL

How to Write a SQL Query to Retrieve the First Artist Whose Death Date is After Louis Armstrong's Death Date Without Using LIMIT

Understanding String Aggregation in PostgreSQL: A Solution Using Format Function

Unlocking the Power of Snowflake: Mastering the FILTER Function for Efficient Data Analysis

Converting MySQL to Postgres SQL Statements in Go for Timestamps and Dates

SQL Query to Fetch Users Who Ordered Particular Items More Than Once

Using a Pivot Query with Filtering to Get Column Value as Column Name in SQL

Handling NULL Values in PostgreSQL Arrays and Aggregations: Best Practices for Efficient Querying

Solving Duplicates in Time Periods from Repeated Groups Using SQL Analytics