SQL is ubiquitous, but it’s hard to use. “It’s complicated, confusing, and error prone— much more so, I venture to suggest, than its apologists would have you ...

For Immediate Release For more information, a review copy, cover art, or interview with the author, contact: Kathryn Barrett (707) 827-7314 or kathrynb@oreilly.com SQL and Relational Theory - New From ...

SQL And Relational Theory is the counterpart and work book to the 16 hour video training program SQL And Relational Theory Master Class by the same author who is both an expert in the field and can ...

Subtitled “How to Write Accurate SQL Code”, this book is part of a “Theory in Practice” series. Here one database legend writes about another one. This is more than a book review, it's part history, ...

SQL is full of difficulties and traps for the unwary. You can avoid them if you understand relational theory, but only if you know how to put that theory into practice. Chris Date explains relational ...

Maxer's latest thread reminded me of a problem I came across awhile ago but never solved. Let's say I have a set of items, a strict ordering of them, and a constraint that some subsets are mutually ...