A Subquery is a query within another SQL query and embedded within the WHERE clause. A subquery is used to return data that will be used in the main query as a condition to further restrict the data ...

Abstract: In the software industry, Structured Query Language (SQL) remains a highly sought-after skill required by most employers. SQL is widely adopted as the preferred declarative language to ...

We give a denotational semantics for translating SQL queries with temporal annotations into Nested SQL. Nested SQL is SQL with some additional operations. We also describe how the translation is ...