SQL 100 - JOINs - Inner Join, Left Join, Right Join HD
englishspacedog YouTube tutorial from Canada http://www.herostratus.ca/PC.htm The 3 main kinds of SQL join are: 1) Inner Join - sees records which are in both tables 2) Left Join - sees all records in the left table 3) Right Join - sees all records in the right table This concept is useful in Cognos, Access, and other software which uses SQL as the underlying logic.
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