Selecting One True Answer and Five Random False Answers Using UNION All

Alternating Category Order While Maintaining Groupings Based on Question ID in SQL

Understanding SQL UNION and MERGE: How to Combine Datasets Efficiently

Identifying and Unioning Common Columns Across All Tables in SQLite Databases

Using Grouping Sets to Reference Values in First Selects from Second Selects within Unions in PostgreSQL

Joining Tables Based on Shared Numerical Portion Without Joins or Unions

How to Stack Column Names Vertically in SQL: A Step-by-Step Guide

Forcing Parallel Execution Plans in SQL Server: Alternative Solutions