For issues relating to arranging items into ordered levels.

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7
votes
3answers
560 views

Data Warehouse Creation

I'm fairly green when it comes to this field. I'm a data analyst at a small hospital 8 months now, out of a 2 year degree in a new career field for me. Situation We have a Cobol "database" (I ...
15
votes
3answers
4k views

Traversing tree-like data in a relational database using SQL

Is there a way to traverse tree data in SQL? I know about 'connect by' in Oracle, but is there another way to do this in other SQL implementations? I'm asking because using 'connect by' is easier ...