The paper is devoted to applications of algebraic logic to databases. In databases a query is represented by a formula of first order logic. The same query can be associated with different formulas.

I'm having a devil of a time decoupling my knowledge of programming in loops/iterations and if/then to the set theory of the relational database. I constantly want to iterate over data in the database ...

There’s been a lot of discussion recently about autonomous databases, which offer the promise of keeping database systems stable and performant while alleviating much of the tuning and configuration ...

Far too often, someone will start out complaining about why relational theory is a problem, is insufficient, is just plain wrong, whatever. And when the relational-naysayer explains why he holds that ...