The query optimizer is a crucial component in a relational database system and is responsible for finding a good execution plan for a SQL query. For cloud database service providers, the importance of ...

Abstract: In a fuzzy relational database where a relation is a fuzzy set of tuples and ill-known data are represented by possibility distributions, nested fuzzy queries can be expressed in the Fuzzy ...

PostgreSQL is an advanced open-source relational database that has been widely used in the management of big data due to its robustness, scalability, and flexibility. However, with a large volume of ...

[!INCLUDE [SQL Server Azure SQL Database](../../includes/applies-to-version/sql-asdb-asdbmi.md)] In this example, an ASP.NET application returns XML to a browser by ...

SQL has dominated data querying for decades. Newer query languages offer more elegance, simplicity, and flexibility for modern use cases. For the last three decades, databases and Structured Query ...

Relational DBMSs allow users to extend the standard declarative SQL language surface using User Defined Functions (UDFs) that implement custom behavior. While UDFs offer many advantages, it is ...