Understanding Not Null Constraints with Default Values: Best Practices for Enforcing Data Integrity in SQL Databases

Filtering Data with Aggregate Functions: A Deeper Dive into Selecting Individuals Who Perform a Specific Action without Contradicting Another Type of Action

Mastering SCD Type-2 Tables: How to Update Granularity without Compromising Data Integrity

Counting Between Two Dates for Each Row of a Selected Year-Month in SQL

How to Generate Unique IDs on a Select Query in DB2: A Comprehensive Guide

Optimizing Date Range Queries in DB2: A Deeper Dive