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The INNER JOINS: Matching records only In December 2001’s “Another crash course in SQL,” I showed you one way to extract information from two tables in one statement. In most implementations ...
Read this SQL tutorial to learn when to use SELECT ... before introducing a formal JOIN statement. This basic syntax is a simple INNER JOIN. Some databases treat it exactly the same as an explicit ...
SQL is neither the fastest nor the most ... students WHERE course.name ="CS 101" That syntax implies a relational inner join (actually two of them), as I’ll explain below, and leaves out some ...