Extracting Distinct Values from Comma-Separated Columns in Oracle 11g: Conventional and Efficient Approaches

Mastering Self Joins: A Powerful Technique for Comparing Values Across Rows

Creating Auto-Incrementing IDs in Oracle SQL for Tables with Extracted Data

Combining Two SQL Statements with Same Stem but Different WHERE Clause: A Simplified Solution

Understanding SQL Server: Denormalization and Window Functions for Analyzing Absence Records

Counting Continuous Occurrences of Data in SQL Server Using Window Functions and Subqueries

Joining Tables Based on Shared Numerical Portion Without Joins or Unions

Combining GROUP BY and CASE expressions for Accurate Group Labelling in SQL

Implementing Event-Driven Architecture in WCF Applications Without Polling Database Changes

SQL Join Multiple Tables to One View