OracleDatabaseTuningSQL provides practical scripts for Oracle Database administrators and developers to monitor, diagnose, and tune database performance. Each script is crafted to address common ...

“SQL on everything” is the tagline associated with Presto, the query engine that was initially developed by Facebook to rapidly analyze massive amounts of data — particularly data that lay scattered ...

Query optimisation remains a critical discipline in database systems, underpinning the efficiency and responsiveness of data-driven applications. By selecting optimal execution plans, modern query ...

Contains implementations of various algorithms for database query optimization. The algorithms cover multiple problem variants (e.g., traditional and multi-objective query optimization) and offer ...

Modern big data systems run on cloud environments where resources are shared among several users and applications. As a result, declarative user queries need to be optimized and executed over ...

Abstract: Query processing in Object Oriented Database management system is an active research area. Query Optimizer is very complex module in query processing which is programmed to optimize query ...

The cost of big-data query execution is dominated by stateful operators. These include sort and hash-aggregate that typically materialize intermediate data in memory, and exchange that materializes ...

Artificial intelligence is transforming financial data management, enabling institutions to optimize performance in high-speed trading environments. In his latest research, Selvakumar Alagarsamy ...