Abstract: The serializability of transactions is among the properties that should be implemented in order to ensure the correct processing in transaction-based environments. When the system is ...

全体を通してそこまで難しくなかったように思える。 ただFinal ExamはReviewテストでは見かけなかったような問題も出てきて、いくつかは落としたと思う。 内容はSQLを書いたりすることはなく、トランザクションや直列可能性(serializability)、2層アーキテクチャ ...

A colleague of mine recently ran into an issue that I have not run into myself, but found to be interesting and, in my opinion, worth blogging about here. During some distributed Java development, my ...

Many applications, such as e-commerce, routinely use copies of data that are not in sync with the database due to heuristic caching strategies used to enhance performance. We study concurrency control ...

I'd like a locking read to be blocked by a concurrent insertion in your Read-Committed and Repeatable-Read isolation levels, so that I can mount a serializability implementation on top of them at ...

A program which shall read a concurrent schedule involving n transactions with read and write instructions on data items from an input file and find whether the schedule is Conflict Serializable or ...