The Java input/output (I/O) facilities provide a simple, standardized API for reading and writing character and byte data from various data sources. This article explores the I/O classes ...

Write, build, and run an example application that persists data to and from a relational database using Hibernate, JPA, and the repository pattern.

Microsoft has open sourced the Java language extension it added to SQL Server 2019 last year. Language extensions are used in SQL Server to allow users to execute code externally for queries. The ...

Spark SQL: Apache’s Spark project is for real-time, in-memory, parallelized processing of Hadoop data. Spark SQL builds on top of it to allow SQL queries to be written against data.