The PostgreSQL variant of SQL is pretty popular these days, and its adopters are quick to point out a number of advantages. Like any system, though, it does take some getting used to, perhaps more so than other, more popular... Read more »
…why not skim (or peruse, or pore over, or even study deeply) a couple of neat articles about relational database storage and concurrency? Scalable SQL and NoSQL Data StoresConcurrency Control and Availability in Multi-Datacenter... Read more »
Nifty! Oracle SQL may have the occasional snapshot isolation gaffe, but its in-query string manipulation is a downright lifesaver. Here are a few references to get started:... Read more »