Back in high school chemistry, I remember waiting with my bench partner for crystals to form on our stick in the cup of blue ...

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 ...

The Text-to-SQL task has significant application prospects in automating relational database query interfaces. It can reduce user learning costs and improve data query efficiency. However, in ...