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Databases Querying Relational Databases Joining Table Data with SQL Inner Joins

Posted by Ankur Saxena
Ankur Saxena
681 Points

Which is better in terms of Query execution and performance metrics?

SELECT make.makename,model.modelname FROM make, model WHERE make.makeid = model.makeid AND make.Makename ='Chevy';

SELECT make.makename,model.modelname FROM make INNER JOIN model ON make.makeid =model.makeid WHERE make.makename = 'Chevy';

1 Answer

Steven Parker
Steven Parker
231,268 Points
Steven Parker
Steven Parker
231,268 Points

For most databases, this is most likely an alternate syntax that resolves to the same thing internally, so the efficiency would be the same.

Some database systems have built-in benchmarking tools you can use to compare efficiencies or execution costs and be sure.