Filtering SQL Result by Condition to Receive Only One Row per Customer for Each Product Type.

Pattern Extraction from CLOB Data Using Regular Expressions and String Functions in Oracle SQL

Understanding Join On Sub-Queries in Postgres: Mastering the Technique with Common Table Expressions (CTEs) and Simplified Query Structures.

Understanding the Most Popular Month in SQL Server Using Date Functions and Grouping

How to Create an SQL Trigger that Updates the Balance of a Table After Activity on Another Table in MySQL.

Creating a Database with Oracle SQL: A Step-by-Step Guide

Converting SQL Queries to Django ORM: A Deep Dive

Eliminating Duplicate Fields in MySQL: A Step-by-Step Guide to Data Manipulation and Analysis

Finding a Specific Row ID by Filtering for Matching Rows in a Table Using Aggregation Functions

Converting Date Strings to DateTime in SQL Server 2016: A Guide to Best Practices and Troubleshooting Techniques