Deleting Rows Based on Age, Status, and Existence of Related Rows in PostgreSQL: A Practical Approach to Remove Incomplete or Old Data

Extracting Data for Previous Year from PostgreSQL Table Using Left Joins and Interval Arithmetic

Selecting Minimum Value from Each Hour Block in PostgreSQL Datasets

Retrieving the Second Newest Record in SQL Queries Using Window Functions

Ranking Search Results with Weighted Ranking in Postgres: Prioritizing Exact Matches

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

Why You Get an Error Querying from a Column Alias and How to Work Around It

Using IN Clause Correctly: A Guide to Retrieving Data from One Table Based on Values in Another Table.

How to Handle Negative Values in SQL's DATEDIFF Function

Updating Triggers for Partitioned Tables in PostgreSQL After Adding a New Column