[ADMIN] Find out foreign key

[Alexander Burbello]

Hi people,

I would like to know what's the system view that has information about 
parent table and child table associated by Foreign Key!!

Is it possible to find out that information?

Thank you.

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TIP 9: In versions below 8.0, the planner will ignore your desire to
      choose an index scan if your joining column's datatypes do not
      match