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philipxy
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4
What is the difference between a primary key and a superkey in a DBMS
Jul 25, 2017
3
Does the definition of 2NF prohibit _transitive_ dependencies on a partial key or only direct ones?
Dec 13, 2015
3
Why does VALUES provide a different DEFAULT column name than SELECT?
Nov 25, 2016
3
Why aren't primary key / foreign key matches used for joins?
Oct 14, 2017
3
Why is it called "semi-join"?
Jan 25, 2023
2
Explaining 2NF vs 3NF with an example
Oct 2, 2015
2
How can I prove / disprove If A ↠ BC and A → B then A → C
Dec 12, 2015
2
Integrity Issues in this structure?
Dec 25, 2015
2
Tuple calculus: unsure if my reasoning is correct
Dec 27, 2015
2
ERD to Relational schema
Jan 5, 2016

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