Name                                                      Last modified      Size  
 Parent Directory                                                               -   
 1. Expressing a Parent-Child Relationship.mp4             2023-11-28 11:43   69M  
 2. Expressing a Child-Parent-Grandparent Relationship.mp4 2023-11-28 11:43   53M  
 3. Creating a hierarchical view of a table.mp4            2023-11-28 11:43   48M  
 4. Finding all child rows for a given parent row.mp4      2023-11-28 11:43   20M  
 5. Which rows are leaf, branch, or root nodes.mp4         2023-11-28 11:43   67M  

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