- 'with check option' constraint
- How can I proove associtivity of natural in relational algebra?
- Implementing a graph algebra
- So what's null then if it's not nothing?
- Using the catalogue
- Last message date: Mon Nov 21 2005 - 23:41:31 CET
- Archived on: Sun Jun 26 2016 - 16:30:13 CEST
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