SELECT DISTINCT ON (label) * FROM products ORDER BY label, created_at DESC;

Create a Trigger Function in PostgreSQL to Update the Parent Table's Timestamp

Understanding Many-to-Many Relationships with Intersection Tables in PostgreSQL

Improving Database Functions: Combining Insert and Select Statements for Efficiency and Readability

Using External Files with Parameterized Policies in PostgreSQL for Improved Flexibility and Maintainability

Optimizing Uniqueness Constraints with Filtered Unique Indexes in Postgres for Specific Column Values

How to Get Separate Rows for Joined Data Using SQL Joins and Union vs Left Join

Calculating Row Differences in SQL: A Comparative Analysis of Common Table Expressions (CTEs) and Window Functions

Using Window Functions to Resolve Issues with Aliased Tables in SQL Queries

Grouping Sum Results by Custom Date Range with PostgreSQL: Adjusting the Start Time of a Day Range for Financial Reporting