Joining...In SQL, a ...JOIN... clause is used to combine data from two or more tables, based on a related column between them. Similarly, in Entity Framework, the LINQ ...Join... is used to load data from two or more tables....It is always advisable to use navigational properties instead of LINQ ...Join... to query the target data....But if the entities do not have any navigational properties defined on them, then you will need the ...Join... operators...It can also be used to fine-tune the gene...