Building a Search Functionality with PostgreSQL and PHP: A Comprehensive Guide to Connecting and Querying a Database with the LIKE Operator

Counting Over Relative Dates in Amazon Redshift Using SQL Queries and Aggregation Functions

Finding Duplicate Records in a SQL Table: A Comprehensive Approach

Choosing Between Relational Tables and Column Serialization: A Scalable Approach to Complex Data Storage Decisions

Uploading Files to SQL Databases Using Python: A Step-by-Step Guide

SQL Group By and Sum of Other Column: Mastering Complex Aggregations with Window Functions

Grouping Last Amount Paid by City and Year: SQL Solutions with Subqueries and CTEs

Understanding Sum Over Windowed Function and Its Potential Pitfalls: Avoiding Common Errors with Proper Window Specification

Creating Alternative IDs in Oracle SQL Using Hash Functions and Alternative Approaches

Controlling SQL Updates: Determining Which Row to Update with JOINs