Abstract: We consider the problem of translating XML queries into SQL when XML documents have been stored in an RDBMS using a schema-based relational decomposition. Surprisingly, there is no published ...

In Hans Christian Andersen's folktale, The Emperor's New Clothes, when a child cries out that the emperor is naked, he isn't revealing a secret. Everyone already knows it. What changes in that instant ...

Abstract: Recursion is a fundamental computation mechanism which has been incorporated into the SQL language. This work focuses on the optimization of linear recursive queries in SQL. Query ...

Now we need to recursively calculate the hierarchical structure of the tree. Parallel nodes are arranged in order of their IDs, and the new name field=level * underline + original name, which is used ...

Some strange mathematical sequences are always whole numbers — until they’re not. The puzzling patterns have revealed ties to graph theory and prime numbers, awing mathematicians. Simple, yes, but ...

Thanks to the technology behind ChatGPT, it’s become surprisingly simple to query a data set in plain English. As with most generative AI, results from OpenAI’s API are still imperfect, which means ...

In cognitive tests for recognizing certain types of patterns, crows outperformed monkeys. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Crows ...