Module 13 (Introduction to SQL - Part 2).pdf
Module 13 (Introduction to SQL - Part 2).pdf
Module 13 (Introduction to SQL - Part 2).pdf
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The OUTER JOINThe OUTER or FULL JOIN specifies thatall records from both tables are <strong>to</strong> bereturned, even if a record from either tablehas no matching records in the other table.Usually we want <strong>to</strong> control how this worksa little more closely than that. So weusually explicitly say LEFT JOIN orRIGHT JOIN, so that we can leave out therecords that we are not interested in.