Run multiple mysql servers on single machine


Here is how to run multiple mysql instances on the same machine. This will be helpful when you need to run different mysql version on same computer or have separate mysql servers for each system. Here I assume you have already installed one instance of mysql. Following steps are for installing another instance of mysql […]


SQL joins diagram

sql joins diagram

Here is a diagram of sql joins for better understanding how they work. This visual representation contains following joins, Inner Join, Left Join, Right Join, Outer Join, Left Join excluding Inner Join, Right Join excluding Inner Join, Outer Join excluding Inner Join.



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