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This C++ program allows you to send SQL queries as strings or entire .sql files containing several queries to any Sqlite3 or HDF5 databases. It performs its tasks without using any dot command, so it ...

Abstract: With the advent of graph data, graph databases have garnered significant research interest and efforts in recent years, especially with respect to graph query processing. There have been a ...

Watch a complete processing walkthrough of the Needle Galaxy image taken from a white zone using PixInsight. Perfect for beginners wanting to learn astrophotography editing techniques for ...

Recent advances in graphics processing units (GPUs) have opened a new frontier in query processing and database systems. Leveraging the massively parallel architecture of GPUs, modern database engines ...

Abstract: Robust query processing with strong performance guarantees is an extremely desirable objective in the design of industrial-strength database engines. However, it has proved to be a largely ...

Modern database systems rely on cost-based query optimizers to come up with good execution plans for input queries. Such query optimizers rely on cost models to estimate the costs of candidate query ...

Data on the web is naturally unindexed and decentralized. Centralizing web data, especially personal data, raises ethical and legal concerns. Yet, compared to centralized query approaches, ...

What are the key features of blockchain data structure? Unlike centralized databases, a blockchain is a distributed ledger that records transactions across multiple computers, ensuring that no single ...