SQL
SQL | News, how-tos, features, reviews, and videos
Review: Kinetica analyzes billions of rows in real time
GPU database is not only hugely scalable, but integrates graph analysis, location intelligence, and machine learning with standard SQL
Review: Kinetica analyzes billions of rows in real time
GPU database is not only hugely scalable, but integrates graph analysis, location intelligence, and machine learning with standard SQL
Composite keys in JPA and Hibernate
Use embeddable objects to join two primary keys into one composite key
Inheritance relationships in JPA and Hibernate
Learn four ways to manage inheritance relationships and support polymorphic querying in Java ORM
![JavaWorld > Persistence [series] > data blocks / structure / database / data center](https://images.idgesg.net/images/article/2019/04/jw_java_persistence_series_3x2_2400x1600_5_data_blocks_structure_processing_database_by_ramcreativ_gettyimages-100792565-small.3x2.jpg)
Java persistence with JPA and Hibernate, Part 2: Many-to-many relationships
Many-to-many relationships and cascade type strategies in JPA and Hibernate
![JavaWorld > Persistence [series] > data / data center / database / server](https://images.idgesg.net/images/article/2019/04/jw_java_persistence_series_3x2_2400x1600_4_data_center_database_server_by_shendart_gettyimages-100792561-small.3x2.jpg)
Java persistence with JPA and Hibernate, Part 1: Entities and relationships
Get started modeling entities and relationships for Java data persistence, using an example application based on Java 8 with Hibernate 5.3.6
![JavaWorld > Persistence [series] > coding / programming / software development](https://images.idgesg.net/images/article/2019/04/jw_java_persistence_series_3x2_2400x1600_6_coding_programming_software_development_by_alpesh_ambalal_patel_gettyimages-100792566-small.3x2.jpg)
What is JDBC? Introduction to Java Database Connectivity
Get to know Java's low-level API for making database connections and handling SQL queries and responses
Review: OmniSci GPU database lifts huge data sets
GPU acceleration of database, rendering, and visualization enables interactive exploration of data sets with billions of rows
Why you should use SQLite
Learn why this compact embedded relational database shines for many desktop, mobile, and edge computing applications
Why you should use SQLite
Learn why this compact embedded relational database shines for many desktop, mobile, and edge computing applications
MariaDB Platform X3 combines transaction processing and analytics
MariaDB has fused its relational and column-store databases into one, with data automatically synced between workload types
SQL tutorial: Learn SQL on MariaDB
Follow this step-by-step guide to install MariaDB, load data, connect to a database, and execute SQL queries including table joins
SQL tutorial: Learn SQL on MariaDB
Follow this step-by-step guide to install MariaDB, load data, connect to a database, and execute SQL queries including table joins
Why you should use Gandiva for Apache Arrow
An execution engine for Arrow-based in-memory processing, Gandiva brings dramatic performance improvements to analytical workloads
PostgreSQL 11 taps LLVM and parallelization for speed boost
The powerful open source database now offers more features for data sharing, JIT-accelerated queries, and transactions inside stored procedures
How TiDB combines OLTP and OLAP in a distributed database
The architecture and use cases of a NewSQL hybrid transactional-analytical, MySQL-compatible, horizontally scalable database
SQL tutorial: Learn SQL on PostgreSQL
Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins
MariaDB tutorial: Get started with MariaDB
Download, install, and set up a basic instance of the popular open source database with this step-by-step guide
MariaDB tutorial: Get started with MariaDB
Download, install, and set up a basic instance of the popular open source database with this step-by-step guide
