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"FULL OUTER JOIN ... ON" - Writing Queries with Full Outer Joins in SQL Server
How To Write a Query with a Full Outer Join in SQL Server?
✍: FYIcenter.com
If you want to query from two tables with a full outer join, you can use the FULL OUTER JOIN ... ON clause in the FROM clause. The following query returns output with a full outer join from two tables: fyi_links and fyi_rates. The join condition is that the id in the fyi_links table equals to the id in the fyi_rates table:
SELECT l.id, l.url, r.comment FROM fyi_links l FULL OUTER JOIN fyi_rates r ON l.id = r.id GO id url comment 101 dev.fyicenter.com The best 102 dba.fyicenter.com Well done 103 sqa.fyicenter.com Thumbs up 104 www.mysql.com NULL 105 www.oracle.com NULL 106 www.php.net NULL 107 www.winrunner.com NULL NULL NULL Number 1 NULL NULL Not bad NULL NULL Good job NULL NULL Nice tool
As you can see, an full outer join returns 3 groups of rows:
⇒Using SELECT Statements with Joins and Subqueries in SQL Server
2016-10-29, 1018👍, 0💬
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