Understanding the Flawed Use of Column Aliases in Sub-Query Parameterization

How to Join Tables and Combine Columns: A Comprehensive Guide to PostgreSQL Joins

Conditional Row Numbering in PrestoDB: A Step-by-Step Solution Using Cumulative Group Numbers and Dense Ranks

Storing and Querying R List Objects in a MongoDB Database

I can help with some of the issues you're facing.

Database Normalization Techniques: A Comprehensive Guide to Achieving BCNF Form

Understanding PDO Inner Joins: When to Use Inner Joins vs Subqueries

How to Deduce Information from Pairs in a Dataset Using Programming Techniques

Filling Gaps in Intraday Stock Data with DB2: A SQL Solution

Handling Null Locale Values in Oracle PL/SQL Triggers: A Deep Dive into Two Effective Approaches