Learn how to master SQL and write efficient, elegant, and robust code with these books that cover advanced topics, best practices, and techniques.

In a new book titled Next Generation Databases: NoSQL, NewSQL, and Big Data, Guy Harrison shares what every data professional needs to know about the future of databases in a world of NoSQL and big ...

This chapter describes databases, structured query language (SQL), and several R packages that enable to connect to databases and to access the data stored in them. It first provides a brief overview ...

SQL provides predefined procedures so that you can use any value in a table to relate to other tables in a database. This helps explain why, odds are, you use a SQL relational database at your company ...

Learn the key differences between relational and NoSQL databases with this in-depth comparison.

The company said it plans to use the Mimer SQL relational database management system (RDBMS) technology for production planning, quality control and administration of deliveries.

After announcing the technology at its OpenWorld conference last month, Oracle has launched its much anticipated NoSQL database.

After nearly 30 years of ruling the roost, relational databases are having to share their turf with their non-relational cousins. The biggest and best of these “NoSQL” databases are open ...

Small transactional datasets often call for relational databases (e.g., mySQL, Oracle, SQL Server). Larger datasets are best often handled with NoSQL databases (e.g., MongoDB, Cassandra).

Applications that use the Jakarta Persistence API shouldn’t embed too much raw SQL in their code. However, when you need an SQL query for performance reasons or to access the database in a way that ...