Top "Outer-join" questions

An outer join defines a relationship between two tables where all records from one or both tables are returned regardless of the existence of a matching key-field in the other table.

What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN?

What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN in MySQL?

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LEFT JOIN vs. LEFT OUTER JOIN in SQL Server

What is the difference between LEFT JOIN and LEFT OUTER JOIN?

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How to do a FULL OUTER JOIN in MySQL?

I want to do a Full Outer Join in MySQL. Is this possible? Is a Full Outer Join supported by …

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SQL SELECT from multiple tables

How can I get all products from customers1 and customers2 include their customer names? customer1 table cid name1 1 john 2 joe …

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Oracle "(+)" Operator

I am checking some old SQL Statements for the purpose of documenting them and probably enhancing them. The DBMS is …

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How to return rows from left table not found in right table?

I have two tables with similar column names and I need to return records from the left table which are …

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LINQ to SQL - Left Outer Join with multiple join conditions

I have the following SQL, which I am trying to translate to LINQ: SELECT f.value FROM period as p …

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Rewrite left outer join involving multiple tables from Informix to Oracle

How do I write an Oracle query which is equivalent to the following Informix query? select tab1.a,tab2.b,…

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LINQ - Full Outer Join

I have a list of people's ID and their first name, and a list of people's ID and their surname. …

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