General question about Parent and Child Post type relationships

Because a Post Type is stored in the database under the wp_posts table column post_type. The reason a post type can’t have a parent post_type is because there is no database taxonomy mapping like there is for a post categories.

http://codex.wordpress.org/Post_Types

Related Posts:

  1. How to create a permalink structure with custom taxonomies and custom post types like base-name/parent-tax/child-tax/custom-post-type-name
  2. How to set parent-child relationship between differents custom post types
  3. Integrating a custom post type into a page hierarchy
  4. Nested custom post types with permalinks
  5. Change custom post type to hierarchical after being registered
  6. How To Limit Hierarchical Pages Depth (For Custom Post Types) To Children Only
  7. Display a list of child posts on parent posts of a custom post type
  8. Custom Post Type as Page parent
  9. How to handle a hierarchy with custom post types
  10. Can I have Post Types under other Post Types in Admin menu?
  11. Hierachical Custom post types permalinks not working
  12. Child pages on hierarchical Custom Post Types 404s
  13. How can I combine posts of different types in one hierarchy?
  14. Custom Post Type ‘hierarchical’ Help!
  15. How to check if last uri segment is a custom post type or taxonomy term?
  16. Custom permalinks – post type – hierarchical taxonomy’s
  17. How to show term-specific post list, without posts associated with child terms?
  18. How to query for posts (in hierarchical custom post type) that have children?
  19. Getting taxonomy terms used by custom post type
  20. wp_list_pages doesn’t work in hierarchical custom post type
  21. Post type hierarchy
  22. Hierarchical or Non-hierarchical Custom Post Type in Real World Example
  23. Detect if 1st, 2nd or 3rd level custom page?
  24. Hierarchical Custom Post Types or Similar
  25. Custom post type routing with hierarchy
  26. Parent / Child formatting in a list of post of a custom post type
  27. Show hierarchical relationship between to custom post types on admin list
  28. Custom post type hierarchical permalinks not behaving as expected for parent/child pages
  29. How to create a permalink structure with custom taxonomies and custom post types like base-name/parent-tax/child-tax/custom-post-type-name
  30. How to Combine Two Custom Post Types into Single Permalink Structure
  31. Custom Posts Hierarchy? (State/City/Restaurant)
  32. Automatically populate a hierarchical taxonomy from a custom field
  33. Hierarchical Custom Posts – Highlighting Current Post in Sub-Menu
  34. Remove base slug in permalinks of hierarchical custom post type
  35. Modifying Custom Post Type after registration (will it affect content?)
  36. Hierarchical Custom Post Types – Show only parent on tax archive?
  37. Twenty Fifteen: Adjacent posts by menu_order [duplicate]
  38. Display custom post type in hierarchical order with get_terms
  39. Should I use custom taxonomy or custom post type
  40. How to get the parent of a non-hierarchical custom post type being edited in Gutenberg
  41. Hierarchical Custom Post Types in Array
  42. WordPress Custom Post Type Children Template
  43. Use a hierarchical custom post type for a main blog and subblogs?
  44. How to create custom url structure based on custom post type rewrite slug, taxonomy and category slug?
  45. How to set a CPT to have a page as a parent, then rewrite urls accordingly?
  46. Rewrite Rule for showing Parent/Child Relationship between Two Hierarchical Custom Post Types
  47. Need help with permalink rewrites for Custom Post Types with hierarchical relationships
  48. Rewrites/query for multiple hierarchical custom post types
  49. A case for Hierarchical Custom Posts
  50. Custom while loop for hierarchical display of a taxonomy
  51. Get the taxonomy of a post hierarchically
  52. Custom Post Types hierarchy and rewrite
  53. Custom post type / taxonomy rewrite archive page 2 gives 404
  54. Create more category hierarchical depth for custom post type/taxonomy plugin (widget)
  55. Hierarchial Custom Post Types/Taxonomies
  56. Hierarchical permalinks for custom post type and taxonomy
  57. using wp_update_post for updating custom post type
  58. Custom post type Permalinks with hierarchical Taxonomies
  59. Create a permalink structure with custom taxonomies and custom post types gives 404
  60. Custom Post type & Taxonomy 404
  61. Is it safe to change a Custom Post Type from “hierarchical:false” to “hierarchical:true”?
  62. get parent content inside child posts
  63. page template for custom post type
  64. Templates for hierarchical custom post type
  65. Creating a non-hierarchical Taxonomy that behaves like categories
  66. How to query for posts (hierarchical custom post type) that have children but are NOT top level?
  67. Migrating Hierarchal Taxonomy Categories Between Post Types
  68. Ideas on how to organize a project [closed]
  69. Add search to ‘Parent’ dropdown
  70. How should I structure complex content hierarchies?
  71. Query all post types but limit to parents
  72. List child categories from parent category on custom taxonomy page
  73. Custom post type hierarchical loop in Homepage
  74. Does “Custom Post Type” can have page hierarhy option?
  75. Creating an Events Feed with Sub Pages/Posts for Each Event
  76. How to set a ‘page’ as parent of a custom post type?
  77. Permalink with hierarchy of Custom Post Types
  78. Having hierarchies inside WordPress custom post type
  79. How to convert hierarchical Pages to hierarchical Custom Post Types? Slugs get a number as if they were duplicates
  80. Custom Post Type parent/child relationship rewrite rules for permalinks
  81. Attempting to get number of grandchildren of page in WP_Query loop
  82. Custom post types & Pages hierarchy – Error 404
  83. Create a Hierarchical List of Custom Taxonomies AND Posts
  84. Display posts of a hierarchical custom post type excluding parent posts
  85. Most efficient way of showing children posts?
  86. Hierarchical Custom Post Type Walker?
  87. Display a Custom Post Type within another with hierarchically slug
  88. Custom Post Hierarchy and users
  89. Custom Post Type categories at edit post not hierarchical
  90. How can I add a “fake” parent into the permalink?
  91. taxonomy term names in custom post type permalink structure
  92. Custom Post Type Child Pages
  93. Cross post type parent page added parent page to permalink but give 404
  94. Custom taxonomy archive not showing posts of certain child taxonomies
  95. Specifying Default Template for Hierarchal Custom Post Type [duplicate]
  96. Rewriting hierarchical post type
  97. Hierarchical Custom Post Types
  98. How do I assign the post parent?
  99. How to add a regular page under a custom post type?
  100. How to develop Knowledge center in WordPress Website
tech