I've always found Coding Horror's Venn diagram depiction of SQL joins quite enlightening: https://blog.codinghorror.com/a-visual-explanation-of-sql-joins/ http

I've always found Coding Horror's Venn diagram depiction of SQL joins quite enlightening: https://blog.codinghorror.com/a-visual-explanation-of-sql-joins/ https://blog.codinghorror.com/a-visual-explanation-of-sql-jo...