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When you execute a query using the LEFT JOIN syntax, SQL does two things: It returns all of the records from both tables that contain matching values, as defined by the ON clause.
SQL was so attractive in the later 1980s that many database vendors essentially stapled a SQL query processor on top of their CODASYL databases, ... you’d use a LEFT JOIN, ...
The left join updates all rows in table A. Inner join only updates rows in table A where there is a matching ID in table B. You're working with different row sets. Now if you said something like: ...
You can create an SQL view that contains the syntax of your query. You will use this view to create an outer join query. In the SQL QUERY TABLES window, select SAMPLE.EMPINFO and SAMPLE.SALARY from ...