Translating SQL Into Relational Algebra: Optimization, Semantics, and Equivalence of SQL Queries In this paper, we present a translator from a relevant subset of SQL into relational algebra. The ...

Cloud database systems such as Amazon RDS or Google Cloud SQLenable the outsourcing of a large database to a server who then responds to SQL queries. A natural problem here is to efficiently verify ...

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A fork of Muhammad Usman's Pixie, a lightweight query builder for PHP. This library only supports a subset of Pixie's fetures: The adapter sets the correct sanitizer character. At this moment ...