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Category Archives: databases
Subscription to the UMLtoDB service now open
You can now subscribe to the professional version of the UMLtoDB service (the simplest way to create your database schemas!). As explained in a previous post , subscription process is managed using FastSpring
A special reduced price is available for subscriptions done before the end of April.
On commit triggers – Am I the only one missing them?
Neither the SQL standard nor any of the major database vendors provide an ON COMMIT trigger (i.e. a trigger that fires when a transaction commits). The only exception (AFAIK) is Firebird
Animated Database Courseware
I’ve just FOUND an online Animated DataBase Courseware offering an “Interactive Approach for Teaching the Principles of DataBase Concepts”, including topics LIKE database design (ER notation, transformation rules FOR deriving database schemas FROM ER models, normalizations AND functional dependencies concepts,…), SQL, transactions AND security.
ALL this IS complemented WITH proposals OF exercises (solution IS provided) AND completely free.
The End of a DBMS era (by Michael Stonebraker)
Michael Stonebraker just posted a new blog entry about the End of DBMS era. And if he says so, we should at least think about it!
Among other things, he claims that relational dbms can be beaten by approximately a factor of 50 in almost any market (e.g.
