A LEFT OUTER JOIN (or simply LEFT JOIN) in MySQL is used to retrieve all records from the "left" table, and the matched records from the "right" table. If there is no match, NULL values are returned ...

-- we are going to add return reason in orders tables, this will show all colums from orders and all columns from returns -- this will show all data which is matching, and neglect the null value ...

This example illustrates a left outer join of the PROCLIB.PAYROLL and PROCLIB.PAYROLL2 tables. proc sql outobs=10; title 'Most Current Jobcode and Salary Information'; select p.IdNumber, p.Jobcode, ...

I need to form the equivalent of a Union Join in Oracle 8i, even though a Union Join doesn't appear to be supported in 8i. I might be able to manipulate a Full Outer Join to get the results I need, ...

You often need data that are stored in separate tables. For example, you may want to produce a report that gets information about flight delays from one table and boarding capacity from another.

When you want to find all the objects that are missing a corresponding object, then you need the LINQ equivalent of an outer join. Here, step by painful step, is how to build that query. Here's a ...