Hi,

I have a requirement where i have 3 dimension tables (employee,
project, technology) and a common fact table which has the key id's of
all these three tables.

My question goes like this...

How do i create a mapping table (fact table) having these three
columns - emp_id, proj_i and tech_i. I know we can achieve this for
two tables using the below syntax:

HasManyToMany(x =>
x.Empl) .Table("Emp_Proj") .ParentKeyColumn("Emp_i") .ChildKeyColumn("Proj_I") 
.Inverse() .Cascade.All();

How can i add another child key column (tech_i) to the above mapping
table?

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