Contents
- A motivating example
- Recursion in SQL, Ancestor query in SQL3
- Fixed point of a function
- Fixed point of a query, Finding ancestors
- Intuition behind fixed-point iteration
- Linear recursion, Linear vs. non-linear recursion
- Mutual recursion example
- Semantics of WITH
- Computing mutual recursion
- Fixed points are not unique
- Mixing negation with recursion
- Fixed-point iter may not converge
- Multiple minimal fixed points
- Legal mix of negation and recursion
- Stratified negation example
- Evaluating stratified negation
| Description : | Download free Introduction to databases, SQL - Recursion, course tutorial, PDF file by Jun Yang, Brett Walenz. |
| Level : | Advanced |
| Created : | April 3, 2016 |
| Size : | 173.71 KB |
| File type : | |
| Pages : | 24 |
| Author : | Jun Yang, Brett Walenz |
| Downloads: | 1547 |
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