Question

my table contains category_name and parent_category_Id column

My parent_category data contains, the same table primary key id.

i need to select the all rows and insted my parent_category_Id i need to select the catogry_name

Answer 1

I think this is what you’re after, though it’s hard to discern from the question:

Select c.*
From category c 
  Join parent_category pc ON c.parent_category_id = pc.id
Where pc.category_name = 'Some Name'